Saturday

January 31, 2015

January 31, 2015

Posted by **Lea** on Saturday, May 8, 2010 at 12:13pm.

- trig.. -
**Reiny**, Saturday, May 8, 2010 at 12:48pmLS = cotx + cosx

= cosx/sinx + cosx

= (cosx + cos^2x)/sinx

RS = 1 + cotx(cosx)

= 1 + cosx/sinx(cosx)

= 1 + cos^2x/sinx

= (cosx + cos^2x)/sinx

= LS

**Answer this Question**

**Related Questions**

equations trig - 1) ctgx+cosx=1+ctgx*cosx 2) sin^4x+cos^4x=1/2 3) (sinx-cosx)^2=...

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

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

Pre-Calc - Trigonometric Identities Prove: (tanx + secx -1)/(tanx - secx + 1)= ...

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

Trigonometry Check - Simplify #3: [cosx-sin(90-x)sinx]/[cosx-cos(180-x)tanx] = [...

trig - Solve for [0, 360) 2sinxcosx + cosx =0 2sinxcosx = -cosx 2sinx = -cosx/...

Math - How many solutions does the equation cosx + 1/2 = 1 have for 0<x<...

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

trig - prove: 1+cosx/1-cosx-1-cosx/1+cosx=4cotxcscx