Solution
Solution
Solution steps
Rewrite using trig identities
Popular Examples
simplify sin(pi/2+2x)simplify cos(pi+pi/4 n)simplify (xe^{-x})/(sin(x))simplify 2sin((2x)/3-3pi)+2derivative of r(1/(cos^2(x)))
Frequently Asked Questions (FAQ)
What is cos(t-90) ?
The solution to cos(t-90) is sin(t)