Solution

prove

Solution

Solution steps
Manipulating left side
Rewrite using trig identities
Rewrite as
Use the Angle Sum identity:
Simplify
Add similar elements:
We showed that the two sides could take the same form

Popular Examples

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

Frequently Asked Questions (FAQ)

  • Is sin(2t)=2sin(t)cos(t) ?

    The answer to whether sin(2t)=2sin(t)cos(t) is True