5. For every acute angle X: a. cos X < sin X b. cos X > tan X c. tan X > 1 d. cos X < 1

Q: if a+c=b then tan a+tan b+tanc =

A: GivenIf a+c=b

Q: B. If sin u = tan u < 0, find : 1. sin u/2 2. cos u/2 3. tan u/2

A: Given that, sinu=tanu&lt;0

Q: The vertices of a triangle have a polar coordinates A(0,0) B(5.19,3) and C(3.078,8.457) determine…

A: We have given vertices in polar coordinates. Where first coordinate is radius and second coordinate…

Q: 3. Prove the identity of tan x + cot x = csc x sec x. Work on the left side.

A:

Q: let A and B be positive angles les than 360 degree with a secA=-17/8, in quadrant 2 and with tan…

A: Let A and B be positive angles less than 360 degree with a secA=-17/8, in quadrant 2 and with tan…

Q: y = In(cot x). Find O A. cot x 1 O B.- sin x cosx |C. - csc². CSC OD. cotx O E. sin x cos x

A: Given; y = ln(cotx)

Q: C. Verify the following trigonometric identities : 1. tanx csc x cos x 1 (consider example A) 2.…

A:

Q: Which of the following identities is FALSE? O tan? 0+1= csc2 e CSC O tan 0 sin 0 cos e O sin 0+ cos…

A:

Q: Suppose a=5 and b=8. Evaluate tan u and tan v

A:

Q: Suppose -π/2 <θ < 0 and tan θ= -2 Evaluate (exactly) (a) cosθ (b) sinθ

A:

Q: 8. Simplify: A. COS X B. sec x COS X sin x+1 + tan x C. D. cot X tan X

A: