Thursday

March 5, 2015

March 5, 2015

Posted by **stacey graham** on Saturday, March 27, 2010 at 9:21am.

- trig -
**Reiny**, Saturday, March 27, 2010 at 10:32amWriting everything in terms of sine and cosine usually works, so ...

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

= [(sin^2x + cos^2x)/sinxcosx]/[(sin^2x - cos^2x)/(sinxcosx)]

= [(sin^2x + cos^2x)/sinxcosx][(sinxcosx0)/(sin^2x - cos^2x)]

= 1/(sin^2x - cos^2x)

= RS

**Answer this Question**

**Related Questions**

Math - 1)A piano tuner uses a tuning fork. If middle C has a frequency of 264 ...

Pre-Calc - How do I solve this? My work has led me to a dead end. tan(45-x) + ...

trig - Verify the trigonometric identity. Please show all steps. tanx-cotx/tanx+...

trig - verify the identity (tanx+cotx) (1) __________ = ______________ (tanx-...

trig - verify the identity: tan^2x(1+cot^2x)=1/1-sin^2x Verify the Id: tanx + ...

matj - prove that (cotx+tanx)(cotx-tanx) = 1/(sin^2 x) - 1/(cos^x)

Trig - Verify that each of the following is an identity. tan^2x-sin^2x=tan^2xsin...

math - solve each identity algebraically 1)(1-tanx)/(1-cotx)=-tanx 2)(1+cotx)/(1...

trig - {tan^2x+cotx divided by tanx-cotx} is equal to {1 divided by sin^2x-cos^...

trig - Verify that each equation is an identity. 16. 1+tanx/sinx+cosx =secx ok i...