Solution
prove
Solution
Solution steps
Manipulating right side
Rewrite using trig identities
We showed that the two sides could take the same form
Popular Examples
prove (tan(β)+sec(β))(1-sin(β))=cos(β)prove prove sin(α+β)=sin(α)cos(β)+sin(β)cos(α)prove prove sin(x)=(tan(x))/(sec(x))prove prove 2-sec^2(z)=1-tan^2(z)prove prove-cos(-x)+sec(x)=tan(x)sin(x)prove
Frequently Asked Questions (FAQ)
Is cos(a+b)-cos(a-b)=-2sin(a)sin(b) ?
The answer to whether cos(a+b)-cos(a-b)=-2sin(a)sin(b) is True