Solution
Solution
Solution steps
Manipulating left side
Rewrite using trig identities
Simplify
We showed that the two sides could take the same form
Popular Examples
prove sqrt(2)sin(x+45)=sin(x)+cos(x)prove 4cot(θ)=cot(θ)sin^2(θ)prove cos(2θ)+1=2cos^2(θ)prove (3sin(x)+3cos(x))^2=9+9sin(2x)prove-2cos(x)sec^2(x)=-2/(cos(x))
Frequently Asked Questions (FAQ)
Is sin(2t)=2sin(t)(cos(t)) ?
The answer to whether sin(2t)=2sin(t)(cos(t)) is True