Solution
Solution
Solution steps
Rewrite using trig identities
Remove parentheses:
Popular Examples
simplify sec(pi/2-θ)simplify cos(θ-pi/2)simplify sec(y)sin(pi/2-y)simplify sec(90-θ)simplify 2sin(x+pi)
Frequently Asked Questions (FAQ)
What is cos^2(90-x) ?
The solution to cos^2(90-x) is sin^2(x)