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