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(x)tan^3(x)=sin(x)tan^2(x)prove sin^2(0)=4(cos(-0)-1)prove sec(2a)+tan(2a)=(cos(a)+sin(a))/(cos(a)-sin(a))prove sec^2(x)= 1/(1-sin^2(x))prove cos(-x)+sin(-x)=cos(x)-sin(x)

Frequently Asked Questions (FAQ)

  • Is cos(4x)-sin(4x)=1-2sin(2x) ?

    The answer to whether cos(4x)-sin(4x)=1-2sin(2x) is False