Solution

prove

Solution

Solution steps
Manipulating left side
Use the negative angle identity:
Use the negative angle identity:
We showed that the two sides could take the same form

Popular Examples

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

Frequently Asked Questions (FAQ)

  • Is sin(-x)+cos(-x)=-sin(x)+cos(x) ?

    The answer to whether sin(-x)+cos(-x)=-sin(x)+cos(x) is True