Solution
Solution
Solution steps
Manipulating left side
Express with sin, cos
Rewrite using trig identities
We showed that the two sides could take the same form
Popular Examples
prove (cos(2x)+1)/2 =cos^2(x)prove (cos(x))/(1+sin(x))+tan(x)=cos(x)prove cot^2(x)sec^2(x)=1+1/(tan^2(x))prove tan^2(0)=1-sec(0)prove cos^3(A)= 1/4 (cos(3A)+3cos(A))
Frequently Asked Questions (FAQ)
Is (tan(2x))/(tan(x))=(2cos^2(x))/(cos(2x)) ?
The answer to whether (tan(2x))/(tan(x))=(2cos^2(x))/(cos(2x)) is True