Posted by **cindy** on Sunday, November 25, 2012 at 5:50pm.

1) cscθsinθ-sin^2θ

2)sinθcscθ/tanθ

3)secθ/cotθ+tanθ

4)(1-cosθ)(1+cosθ)

- pre-calc help !!!!!!! -
**Reiny**, Sunday, November 25, 2012 at 8:56pm
Is there a question ?

- pre-calc help !!!!!!! -
**lucy**, Sunday, November 25, 2012 at 10:11pm
how do you solve them

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