Solution

prove

Solution

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

Popular Examples

prove 2tan(x)=(cos(x))/(csc(x)-1)+(cos(x))/(csc(x)+1)prove sin(-θ)sec(-θ)cot(-θ)=1prove cot(x)sin(x)sec^2(x)=sec(x)prove tan(2x)=(sin(2x))/(cos(2x))prove sin^2(x)+4cos^2(x)=4-3sin^2(x)

Frequently Asked Questions (FAQ)

  • Is sec^2(-θ)-1=tan^2(θ) ?

    The answer to whether sec^2(-θ)-1=tan^2(θ) is True