Solution
Solution
Solution steps
Manipulating left side
Rewrite using trig identities
We showed that the two sides could take the same form
Popular Examples
prove tan^2(2pi)=tan(2pi)prove sec(θ)cot(θ)-sin(θ)=cos(θ)cot(θ)prove 9sin(9pi-x)=9sin(x)prove csc(u)-cos(u)=(sin(u))/(1+cos(u))prove sec(x)*cot(x)=csc(x)
Frequently Asked Questions (FAQ)
Is (sin(θ)-cos(θ))^2-1=-2sin(θ)cos(θ) ?
The answer to whether (sin(θ)-cos(θ))^2-1=-2sin(θ)cos(θ) is True