Solution
Solution
Solution steps
Manipulating left side
Rewrite using trig identities
Express with sin, cos
We showed that the two sides could take the same form
Popular Examples
prove cos(x+y)-cos(x-y)=-2sin(x)sin(y)prove sec(pi/2-u)=csc(u)prove (cot^3(t))/(csc(t))=cos(t)(csc^2(-1))prove (sec^2(x)cot(x))/(csc^2(x))=tan(x)prove cot^2(x)-cos^2(x)cot^2(x)=cos^2(x)
Frequently Asked Questions (FAQ)
Is sec(a)(1-sin^2(a))=cos(a) ?
The answer to whether sec(a)(1-sin^2(a))=cos(a) is True