Use reciprocal and quotient identities. and pythagorean identities.

Question

Use Reciprocal and quotient identities.

A. Find csc x if sin x= 2sqrt5/5

B. Find cos x if tan x= sqrt2/2 and sin x= -sqrt3/3

Use Pythagorean identities to simplify.'

A. Find sin x if cot x= sqrt3/2 and cos x < 0

B. Find cot x if cos x= 1/7 and sin x <0

Answer 1