Solution
Solution
Solution steps
Manipulating left side
Rewrite using trig identities
Use the basic trigonometric identity:
We showed that the two sides could take the same form
Popular Examples
prove 4sec^2(θ)-3=1+4tan^2(θ)prove sec(θ)=csc(θ)tan(θ)prove-sin(x)=sin(x)prove (csc^2(x)+1)/(cot^2(x))=(1+sin^2(x))/(cos^2(x))prove sec(x)+tan(x)=(1/(sec(x)-tan(x)))
Frequently Asked Questions (FAQ)
Is ((sin(a)+sin(3a)))/(cos(a)+cos(3a))=tan(2a) ?
The answer to whether ((sin(a)+sin(3a)))/(cos(a)+cos(3a))=tan(2a) is True