Solution

prove

Solution

Solution steps
Manipulating left side
Use the negative angle identity:
Simplify
Rewrite using trig identities
Use the Pythagorean identity:
We showed that the two sides could take the same form

Popular Examples

prove sech^2(x)=1-tanh^2(x)prove cos^5(x)=(1-sin^2(x))^2cos(x)prove (sec(t))/(cos(t))-(tan(t))/(cot(t))=1prove (cot(y))/(sec(y))=csc(y)-sin(y)prove csc(θ)=cos(θ)cot(θ)+sin(θ)

Frequently Asked Questions (FAQ)

  • Is cot^2(-θ)+1=csc^2(θ) ?

    The answer to whether cot^2(-θ)+1=csc^2(θ) is True