Given that cos α = your answers. 3 and 0°<< 90°, determine the exact values of sin 4 α COS α and tan α 2 Be sure to rationalize

Q: evaluate tan(cos-1(4/5))

A: The given expression is:tan(cos-1(4/5))We know thattan(tan-1(x))=x  for all real numbers

Q: 43. A person standing 100 feet from the bottom of a cliff notices a          tower on top of the…

A: Given that A person standing 100 feet from the bottom of a cliff.The angle of elevation of the top…

Q: a) Explain what a trigonometric identity is, b) give an example of a trigonometric identity, and c)…

A: A trigonometric identity is an equation that relates the trigonometric functions of one or more…

Q: Solve the inequality to two decimal places where 0 ≤ ? ≤ 2?, 4 cos(?) + 2 &gt; pi

A: The objective of the question is to find the values of x that satisfy the inequality 4 cos(x) + 2…

Q: Simplify and write the trigonometric expression as a single trig funct (1 + cos x) (csc x − cot x) =

A:

Q: A memorial is V-shaped with equal sides of length 241.25 ft. The angle between these sides measures…

A: A memorial is V-shaped with equal sides of length 241.25 ft. The angle between these sides measures…

Q: From a window 33.0 ft above the street, the angle of elevation to the top of the building across the…

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Q: Review: Trigonometric Ratios in a Right Triangle 5 Please answer the following question(s): 1. A…

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Q: A triangular field has sides of lengths 20, 42, 46 km. Enter your answer as a number; answer should…

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Q: Thanks alot but please write a good explanation for the pilots and with the conclusion answers.

A: You have two planes that need refueling. One plane that can carry fuel has a hose that is 160 feet /…

Q: The 12th term of the geometric sequence 2,3, 4.5 A) 154.885 B) 97.342 C) 128, 284 D) 172.995.

A: Geometric Sequence : 2, 3, 4.5 , . . . . . . .

Q: 2. Round angles to the nearest tenth. A 7 9 C 5 B

A: The oblique triangle is given as,

Q: 41. tan (cos¹u)

A: Question No. (41): To write the expression as an algebraic expression of  if .

Q: x 2. -4 x

A: Note:-As per your demand we solve question 2 for you The given figure is

Q: K Solve the equation for x, where x is restricted to the given interval. (- y = - 1+2tan x. for x in…

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Q: 2. Solve for x in the equation: sin 2x = 2 cos x. C. 90° D. 100° A. 80° B. 95°

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Q: For triangle ABC, we are given that m/A = 54°, AB = 7.5 cm , and BC = 19 cm. We can use the Law of…

A: For triangle ABC, we are given that m/A = 54°, AB = 7.5 cm , and BC = 19 cm. We can use the Law of…

Q: Let a = ⟨5 , − 3⟩ and b = ⟨− 4 , k⟩. Find k so that a and b will be orthogonal (form a 90 degree…

A: The objective of this question is to find the value of 'k' such that the vectors 'a' and 'b' are…

Q: A Part 1 of 6 C = Part 2 of 6 BC = Part 3 of 6 DB = D 33° 23° 66 B C X X X S

A:

Q: Q4. State the practical problem of your choice using the concept of angle of elevation or angle of…

A: The problem using the concept of elevation is -The angle of elevation of the top of a tower from a…

Q: This answer is incorrect, perhaps significant digits werent taken into consideration?

A:

Q: 6. Use the parallelogram rule to find the length of the resultant vector. Round your answer to the…

A:

Q: Given vectors u = &lt;-3, -7&gt; and v = &lt;-1, 5&gt;, find the resultant vector  u + v.

A: The objective of this question is to find the resultant vector when two given vectors are added…

Q: Verify the identity. 1 + cos 0 sin 0 =csc0+ cot = To verify the identity, start with the more…

A: Given,

Q: 5. What is the minimum value of the function f(x) = 3 sin (x - 1) + 4? a)-1 b) 1 c) 4 d) 3

A: "Since you have posted multiple questions, we will provide the solution only to the first question…

Q: Find (if possible) the exact value of the expression. (If an answer is undefined, enter UNDEFINED.)…

A: To find (if possible) the exact value of the following expression.

Q: Calculate the magnitude of vector u =  &lt;3, 4&gt; .

A: The objective of this question is to calculate the magnitude of a vector. The magnitude of a vector…

Q: Simplify the equation sin(2pi +x)

A:

Q: Find the dot product 《2,3》• 《5,5

A:

Q: The hypotenuse of an isosceles right triangle is the cord of a circle. The legs of the triangle are…

A: an isosceles right triangle  , sides  lethypotenuse

Q: Use the value of tan 0 = - for the acute angle to find the following trigonometric function values.…

A: By using the the value of  for the acute angle , to find the following Trigonometric function…

Q: Plot the points with polar coordinates 5, 25 X EYO 4 42 liete RI HUT 7) and (-6, फोम X 5π -SA) 3 4…

A: Consider the polar points

Q: Find the sum. 5 Σk² k = 1

A:

Q: Find the area of the given triangle. Round the area to the same number of significant digits given…

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Q: sin 2x 1- cos2x = cotx Note that gach Statement must

A: Proved that the identity we have to find checks the indentity

Q: A parallelogram has sides of lengths 7 and 4, and one angle is 44°.

A: p=x2+y2−2xycos⁡A=x2+y2+2xycos⁡Bq=x2+y2+2xycos⁡A=x2+y2−2xycos⁡B

Q: Which statement is true? E The function tan¹(a)= arctan(z) = 0 has domain z € [-1,1] and range 0 €…

A: Domain:- All input values where the function is definedRange: All output values of function with…

Q: b. Express the following voltage in complex exponential form, v=30(cos20 + jsin20) volts in…

A: The exponential form of the complex number z = r is      z=r

Q: Matrix A has 3 rows & 2 Columns Matrix B has 2 rows & 3 colums Matrix C has 2 rows by 2 colums.…

A: Matrix A has 3 rows and 2 coloumn Matrix B has 2 rows and 3 coloumn Matrix C has 2 rows and 2…

Q: Write the expression as the product of two functions. cos 70+ cos 50

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Q: sin^2(x/2)=(tanx - sinx)/(2tanx)

A:

Q: Suppose a point has polar coordinates (2, 6 Find two additional polar representations of the point.…

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Q: Use the Law of Cosines to determine the indicated angle 8. (Assume a = 64.01, b = 38.99, and c =…

A: Consider the triangle

Q: What is the magnitude of t? t (-6,-4) t = [?]

A: From the given figuret→=⟨−6,−4⟩

Q: Solve the right triangle shown in the figure. a = 13.2, b=24.6 b B

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Q: 66. 2 sin²t + 3 sint - 2 sint + 2 2 sint 1

A:

Q: evaluate cos(sin-1(1/7pi))

A: The given expression is .To find: evaluate the given expression.Formula used:.

Q: A light aircraft was traveling 108 miles per hour straight and level when the pilot measured a…

A:

Q: 5. Write the given vector in the form (a, b). Give exact values for a and b. 0 -60° Kar

A:

Q: If 0 = -11T 6 sec (0) equals csc (8) equals tan(0) equals cot (0) equals then find exact values for…

A: Consider the thetahs