Solution
Solution
Solution steps
Manipulating left side
Expand
Manipulating right side
Expand
Rewrite using trig identities
We showed that the two sides could take the same form
Popular Examples
prove cos(θ)=sin(θ+pi/2)prove cos^3(x)=sin(x)prove sin(θ)=-5/12prove tan(pi/3)=sqrt(3)prove (1+tan^2(x))/(sec(x))=sec(x)
Frequently Asked Questions (FAQ)
Is sin(105)=sin(60+45) ?
The answer to whether sin(105)=sin(60+45) is True