Saturday

September 20, 2014

September 20, 2014

Posted by **Lynn** on Thursday, July 19, 2012 at 12:45pm.

1-cosx/sinx=sinx/1+cosx

- Trig -
**Reiny**, Thursday, July 19, 2012 at 2:15pmYou must mean

(1-cosx)/sinx = sinx/(1+cosx)

LS = (1-cosx)/sinx * (1+cosx)/(1+cosx)

= 1 - cos^2 x)/(sinx(1+cosx) )

= sin^2 x/(sinx(1+cosx) )

= sinx/(1+cosx)

= RS

**Answer this Question**

**Related Questions**

Trig........ - I need to prove that the following is true. Thanks (cosx / 1-sinx...

Math - Verify the identity . (cscX-cotX)^2=1-cosX/1+cosX _______ sorry i cant ...

trigonometry - can i use factoring to simplify this trig identity? the problem ...

Trig - Verify the identity: tanx(cos2x) = sin2x - tanx Left Side = (sinx/cosx)(...

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 - Pre- Clac - Prove that each of these equations is an identity. A) (1 + ...

Pre-calc - prove the identity: (cosx)(tanx + sinx cotx)=sinx+cos(squared)x i ...

Precalculus/Trig - I can't seem to prove these trig identities and would really ...

Trigonometry. - ( tanx/1-cotx )+ (cotx/1-tanx)= (1+secxcscx) Good one! ...