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 sec^2(a)+csc^2(a)=sec^2(a)csc^2(a)prove (2sin(x)+cos(x))^2+(2cos(x)-sin(x))^2=5prove cos(a)(sec(a)-cos(a))=sin^2(a)prove tan(x)cos(x)csc(x)=1prove (csc^4(x)-1)/(1+csc^2(x))=cot^2(x)

Frequently Asked Questions (FAQ)

  • Is cos(3x)=4cos(3x)-3cos(x) ?

    The answer to whether cos(3x)=4cos(3x)-3cos(x) is False