Solution

prove

Solution

Solution steps
Show that the two sides are not equal
For plug in
Use the following trivial identity:
Refine to a decimal form
The two sides are not equal

Popular Examples

prove (csc(θ)-cot(θ))(1+sec(θ))=tan(θ)prove 1/(sin(x)cos(x))=sec(x)csc(x)prove cot^2(x)+csc^2(x)=1+2cot^2(x)prove (tan(y)+cot(y))/(csc(y))=sec(y)prove cos(3B)=cos(B)(cos^2(B)-3sin^2(B))

Frequently Asked Questions (FAQ)

  • Is arcsec(x)=cos(x) ?

    The answer to whether arcsec(x)=cos(x) is False