Posted by **Liath** on Monday, September 21, 2009 at 8:42pm.

I'm trying to verify these trigonometric identities.

1. 1 / [sec(x) * tan(x)] = csc(x) - sin(x)

2. csc(x) - sin(x) = cos(x) * cot(x)

3. 1/tan(x) + 1/cot(x) = tan(x) + cot(x)

4. csc(-x)/sec(-x) = -cot(x)

## Answer this Question

## Related Questions

- trigonometry repost - Reduce (csc^2 x - sec^2 X) to an expression containing ...
- Trigonometry - Verify the identities. 1.) √1-COSθ/1+COSθ= 1+SIN...
- verifying trigonometric identities - How do I do these problems? Verify the ...
- Trigonometry - Hello all, In our math class, we are practicing the trigonometric...
- trig - I do not understand these problems. :S I'd really appreciate the help. ...
- Trig - Find the exact values of the six trigonometric functions 0 if the ...
- Trigonometry - Verify the identities. 1.) SIN[(π/2)-X]/COS[(π/2)-X]=...
- Math - Which of the following are inverse functions? 1. Arcsin x and sin x 2. ...
- math (repost) - Which of the following are inverse functions? 1. Arcsin x and ...
- Trigonometry - Please review and tell me if i did something wrong. Find the ...

More Related Questions