a 450 b C 450

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

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A: To find the exact value of the expression  given that , with  in quadrant I and  with  in quadrant…

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A: As per our guidelines, we are supposed to answer only one question at a time. Since you have posted…

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A: Note:-Since you asked multiple questions,according to our policy we can solve only first  question…

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Q: a) Find all solutions of the equation 10 cos²x+3 sinx-9 = 0 on the interval [0, 2n)

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Q: 22. Use trig identities to simplify the following expressions: 22a. cot θ csc θ, 22b. csc(α) cos(α)…

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Q: Use de Moivre's Theorem to find the following. Write your answer in standard form [3(cos+ i sin )]³

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Q: Simplify and write the trigonometric expression in terms of sine and cosine: tan2x-sec2=

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A: The given equation

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Q: For Questions #1-3, solve each oblique triangle. Use significant digits for rounding, unless…

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Q: write in terms of sine and cosine: tan²x - sec²x =

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Q: 14. What are the coefficients of xy20 and x¹7y9 in the expansion of (5x - y)25?

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A: According to the Chegg guidelines we are supposed to do the first one of multiple questionsKindly…

Q: Use trigonometric identities to solve the equation in the interval [0, 2л). 4 cos ²0+6 sin 0-6=0

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Q: Q1. Find the exact value of the following functions. A. sin-¹ (sin ()) B. arc cos (0.4563) C. arc…

A: 1) A) sin-1(sin(7 pi/4))B) arc cos(0.4563)C) arc tan(0.7632)According to bartleby guidelines we…

Q: a a = b = B B = b Note: Triangle may not be drawn to scale. Suppose c = 14 and A = 35 degrees. Find:…

A: c=14 , A= 35 degreeAccording to bartleby  guidelines we solve only one question repost the next…

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

A: The oblique triangle is given as,

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A: Since you have asked multiple questions in a single request so we will be answering only first…

Q: Prove the following identity: sin(2x) 1- cos(2x) sin(2x) 1- cos(2x) - 1 tan(x)

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Q: c) an expression for all the asymptotes for the function f(x) = cot(x) is 1 d) tan(x) = - would lie…

A: (c) f(x)=cot⁡(x)Domain of cot⁡(x) is x∈R−{nπ},n∈Z

Q: Evaluate the following expressions. ++(² cos sin √3 2 tan (sin-¹()) 2

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A: The given expression is .The aim is to find the solution in the interval .

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Q: Station Cut End Area (ft2) 10+00 240 11+00 362 12+00 443 13+00 406…

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Q: how did it come to 9 for B1? it's for solving The Ambiguous Case SSA for triangle.

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A: The given trigonometric equation .The aim is to find the solutions to the given equation.

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Q: A toy car races along a circular track and is constantly 3 feet from the center of the race track.…

A: The diagram of the circular track is :-AB= radius = 3ft

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

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

Q: Given the triangle drawn to scale A = 21 > Next Question A 23 9 a find the measure of angle A using…

A: since you have posted multiple question in this question which are not interlinked so i have solved…

Q: where f us increasing decreasing and constant  also the relative minimum where f(x)=-3 and if it's…

A: -3 is not in the range of f(x). Therefore, there are no values of x for which f(x) = -3.

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Q: 5 √O r=1+3 cos(30) (-/-) r= - r = 5 sin V r = 0 sin(0) a. + T b. ▬▬▬▬▬▬▬▬▬▬▬▬▬▬ a 5. 9 Q

A: Consider the polar equations 1.

Q: A.0 OB. 13 OC-13 -50 D. Undefined 50 -50 50 What could the slope be? Choose the correct multiple…

A: We have to use the concept of slope of a line

Q: 7. Given =(-7,-4) and w=(8,-2), find the following for problems 6 and 7. Make sure you use proper…

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Q: 1. Convert radians/degrees and find the coterminal angles between 0-360° or 0-2π radians. a) 13π/6…

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Q: 12. Find the following: a) sin ¹(sin(3π/4)) b) tan(cos(-2/3)) c) sin¹(cos(4π/3)) d) sine = -4/7, e…

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Q: For v = (3,4) and w* = (-6, -8) Find: a. v.w b. The angle 0 (in degrees) between vand w*

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Q: Enter the number that belongs in the green box. 4 70° 6.77 [?] 7 Round to the nearest hundredth.

A: This is question of geometryHere triangle is given And three side and one angle is given We have to…

Q: Find a function of the form y = A sin(kx) + C or y= A cos(kx) + C whose graph matches this one: -10…

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Q: sin(x + y) = sin(x) cos(y) + cos(x) sin(y)cos(x + y) = cos(x) cos(y) − sin(x) sin(y)23a. Find an…

A: The objective of the question is to find the exact value for sin(75 degrees) using the given…