Solution
Solution
Solution steps
Rewrite using trig identities
Popular Examples
simplify 3*cos(-x)-2*cos(x)simplify 1/3 cos(2t-2pi)simplify 1/2 (-cos(x^2+pi))simplify cot(-x)cot(pi/2-x)simplify 4cos(300t-30)
Frequently Asked Questions (FAQ)
What is cos(θ/2+30) ?
The solution to cos(θ/2+30) is (sqrt(3))/2 cos(θ/2)-1/2 sin(θ/2)