- #1
maxtheminawes
- 20
- 0
Homework Statement
Prove this statement. (1+sinx)(1-sinx)=cos^2
Homework Equations
sin^2x+cos^2x=1
The Attempt at a Solution
statement Reason
(1+sinx)(1-sinx) Given
1^2-sinx+sinx+sinx^2 GCF
1+sinx^2 Cancel
1+ (1/cscx) I'm stuck after that