Posted by **Jenna** on Wednesday, March 20, 2013 at 2:18pm.

Is the equation sinx + cosx = 1 an identity? Why?

- Math -
**Steve**, Wednesday, March 20, 2013 at 2:43pm
no. let x=pi

## Answer This Question

## Related Questions

- Math - Verify the identity . (cscX-cotX)^2=1-cosX/1+cosX _______ sorry i cant ...
- Math - Pre- Clac - Prove that each of these equations is an identity. A) (1 + ...
- trigonometry - can i use factoring to simplify this trig identity? the problem ...
- Trig........ - I need to prove that the following is true. Thanks (cosx / 1-sinx...
- Math - Im really struggling with these proving identities problems can somebody ...
- Pre-Calc - Trigonometric Identities Prove: (tanx + secx -1)/(tanx - secx + 1)= ...
- Trigonometry Check - Simplify #3: [cosx-sin(90-x)sinx]/[cosx-cos(180-x)tanx] = [...
- math - 1. Prove the identity:cosx/1-tanx+sinx/1-cotx=sinx+cosx 2.Prove the ...
- Math - (sinx - cosx)(sinx + cosx) = 2sin^2x -1 I need some tips on trigonometric...
- Pre-calc - prove the identity: (cosx)(tanx + sinx cotx)=sinx+cos(squared)x i ...

More Related Questions