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Posted by **Don** on Saturday, December 17, 2011 at 7:43pm.

1/csctheta x costheta x sintheta x sectheta = sinsqtheta

arghhh need help please

- Trig -
**Damon**, Saturday, December 17, 2011 at 8:08pmfirst : 1/csc t = 1/(1/sin t) = sin t

sin t * cos t * sin t * 1/cos t

is

sin^2 t

--------------------------

It would help if you learn conventional notation

x^2 is x squared

x^3 is x cubed

sqrt x or x^.5 is square root x

* is times

Use parentheses especially for multi term denominators and numerators

No need to type theta out, use t or z or p or something. It does not matter as long as you do not have the same letter for something else.

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