Posted by **Jose** on Tuesday, August 24, 2010 at 8:30am.

verify following trigonometric identities. 1/sec0tan0 = csc0 = sin0

- Trig -
**Reiny**, Tuesday, August 24, 2010 at 8:38am
check your typing, your statement is not true.

- Trig -
**Reiny**, Tuesday, August 24, 2010 at 8:50am
I figured you must mean

1/(secØtanØ) - cscØ = - sinØ

Proof:

LS = 1/((1/cosØ)(sinØ/cosØ)) - 1/sinØ

= cos^2 Ø/sinØ - 1/sinØ

= (cos^ Ø - 1)sinØ

= - sin^2 Ø/sinØ

= =sinØ

= RS

## Answer This Question

## Related Questions

- Trigonometric Identities - Which of the following are trigonometric identities, ...
- tRiG/ AlGeBrA - 1) Use double-angle identities to write the following expression...
- trig - 1) Use double-angle identities to write the following expression, using ...
- Trig - How do you express sin4x as a trigonometric funcition of x using the ...
- Trig - I need help with these kind of problems! Can someone tell me how to work ...
- Trigonometric Identities - Verify/prove that: sinAcosA/1-cosA = sin^2/tanA-sinA
- Trigonometric Identities - Verify/prove that: (cotA+cotB)/(tanA+tanB)+(1-...
- Trig - Use Trig identities to verify that sec^4(x)-tan^4(x)=1+2tan^2(x), Only ...
- trig - what is the correct answer in trigonometric identities. DiViDE ; x^5 + 5x...
- Trig Identities - Prove the following identities: 13. tan(x) + sec(x) = (cos(x...

More Related Questions