Solution

prove

Solution

Solution steps
Show that the two sides are not equal
For plug in
Refine to a decimal form
Refine to a decimal form
The two sides are not equal

Popular Examples

prove cos^2(7x)-sin^2(7x)=cos(14x)prove cos(4a)=8cos^4(a)-8cos^2(a)+1prove 2cos^2(x)+cos(x)=0prove cos(2θ)=(1-tan^2(θ))/(sec^2(θ))prove sin^5(x)=(1-2cos^2(x)+cos^4(x))(sin(x))

Frequently Asked Questions (FAQ)

  • Is 4cot(x)=cot(x)sin^2(x) ?

    The answer to whether 4cot(x)=cot(x)sin^2(x) is False