5. If a,ß are acute angles such that 4 cos a 8 and tan ß =, find cos(a-ß) 15 () and sin

Q: Find tan θ if sec θ = √5 and sin θ < 0.

A: As value of cosθ and sinθ revolves around +1 to -1 , they take different values depending on the…

Q: If A is an angle in QII such that sin A = find cos A = cos B = sin (A + B) = cos(A + B) = 27 ²7/71…

A:

Q: 1. a and ß are acute angles in quadrant 1, with sin a =- and cos B = Determine the exact 5 25 value…

A: Given:        sinα=45         α=sin-145          α=53.13° then cosα=35          cosβ=725…

Q: epresent 3 sin x + 6 cos x in a form A sin(x + p), use radians for p.

A:

Q: Suppose sin x = Then COS X tan x 36 85 and is an angle in Quadrant 4.

A:

Q: 22. Using the compound angle formula, which of the following is equivalent to cos(x+T)? A. cosx C. -…

A: To find out the correct option.

Q: In a right triangle = x and cos B= y which expression represents the value of sin C + cos C O y+x O…

A:

Q: Determine the leng th off the curve y= f(x) = 4x+1 over [-1,2]. using both arc length furmulas and…

A: Note: As per our company guidelines we are supposed to answer only one question. kindly repost other…

Q: Let sinA=-4/5 with A in QIII and cosB=-3/5 with B in QII. Anwer Exactly. Find sin(A-B), cos(A-B),…

A: Given,

Q: If tan u = -3, find tan (-u).       3

A: Consider tanθ=-3

Q: If x is a positive acute angle and sin x = 1/2 , what is sin2x

A: We have to find what is sin2x. We know that

Q: c) cos (315 °) d) sin (-30°) e) cos (330°) f) tan (150°) g) sin (225°) h) cos (210°)

A:

Q: B. If sin e=% , find 1. Sin 20 2 Cos 20 3. Tan 20

A: Given: sin θ=34......(1) The expression for the sine trigonometric ratio is given as sin…

Q: 15.(C) Does cos 60° = 1/2 mean that the side adjacent to the 60° angle measures 1 unit and the…

A:

Q: If a, b, c> 0 such that a + b+c abc, find the value of tan a+ tan- b+ tan-c.

A: Introduction :