Solution

prove

Solution

Solution steps
Manipulating left side
Rewrite using trig identities
Rewrite as
Use the Angle Sum identity:
Simplify
Add similar elements:
We showed that the two sides could take the same form

Popular Examples

prove csc(x)-cot(x)cos(x)=sin(x)prove cos(2x)=1-2sin^2(x)prove (tan^2(x))/(sec(x))=sec(x)-cos(x)prove (cot^2(x))/(csc(x))=csc(x)-sin(x)prove tanh(x)=(sinh(x))/(cosh(x))

Frequently Asked Questions (FAQ)

  • Is sin(2x)=2sin(x)cos(x) ?

    The answer to whether sin(2x)=2sin(x)cos(x) is True