Question

I need help answer this! PLS SHOW WORK

Answer 1

Explanation:

cot = cos/sin = 1/sqrt(7/2) * sqrt(5/7) = 1/sqrt(5/2) is the answer.

its because

If sec = sqrt(7/2)

cos = 1 /sqrt(7/2)

cos^2 + sin^2 = 1

cos^2 = 1/ (7/2) = 2/7

2/7 + sin^2 = 1

sin^2 = 5/7

sin = sqrt(5/7)