Solution
Solution
Solution steps
Rewrite using trig identities
Popular Examples
simplify 2cos(1/2 x-3)-1simplify tan(arcsec(x/2))simplify tan(arccos(y/8))simplify cos(a-30)simplify cos(arctan(a/b))
Frequently Asked Questions (FAQ)
What is cos(pi/2+θ) ?
The solution to cos(pi/2+θ) is -sin(θ)