Solution
prove
Solution
Solution steps
Use the Pythagorean identity:
Popular Examples
prove (1-cos(-x))/(sec(-x)-1)=cos(x)prove prove cos(3θ)=4cos^3(θ)-3cos(θ)prove prove (sin(x)-cos(x))^2=1-sin(2x)prove prove csc(θ)tan(θ)=sec(θ)prove prove (1+sin(-x))/(1+csc(-x))=-sin(x)prove
Frequently Asked Questions (FAQ)
Is sin^2(x)=1-cos^2(x) ?
The answer to whether sin^2(x)=1-cos^2(x) is True