Question

I need help on question number 7. Thanks you

Answer 1

sin(θ -
`(\pi)/(2)`) = -0.54

Explanation:

sin(θ -
`(\pi)/(2)`) = -cos(θ)

if cos(θ) =0.54, then -cos(θ) = -0.54.

sin(θ -
`(\pi)/(2)`) = -0.54