Solution
prove
Solution
Solution steps
Use the Hyperbolic identity:
Popular Examples
prove tan(x/2)-cot(x/2)=-2cot(x)prove prove sin(x)(tan(x)+cot(x))=sec(x)prove prove cos(pi-x)=-cos(x)prove prove (1+sin(θ))/(1-sin(θ))-(1-sin(θ))/(1+sin(θ))=4tan(θ)sec(θ)prove prove cos(7x)+cos(3x)=2cos(5x)cos(2x)prove
Frequently Asked Questions (FAQ)
Is 1-tanh^2(x)=sech^2(x) ?
The answer to whether 1-tanh^2(x)=sech^2(x) is True