Solution

prove

Solution

Solution steps
Use the basic trigonometric identity:

Popular Examples

prove (-3sin^2(2x))/2 =(3cos(4x))/4prove 8sin^4(θ)=cos(4θ)+4cos(2θ)-3prove sec^2(a)csc^2(a)=sec^2(a)+csc^2(a)prove cot(x)-tan(x)=2tan(2x)prove 1+cot(x)=(cos(x)+sin(x))/(sin(x))

Frequently Asked Questions (FAQ)

  • Is cot(90)= 1/(tan(90)) ?

    The answer to whether cot(90)= 1/(tan(90)) is True