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October 20, 2014

October 20, 2014

Posted by **Don** on Saturday, December 17, 2011 at 4:32pm.

sec theta - cos theta

tan theta sin theta

Question: how do you get column 1 to be the same as column 2 ?? using the eight fundamental identities

- Trig -
**Damon**, Saturday, December 17, 2011 at 4:46pmNow we are cooking

working on the left

1/cos t - cos t

1/cos t -cos^2 t/cos t

(1 - cos^2 t)/cos t

sin^2 t/cos t

(sin t/cos t) sin t

tan t sin t

which is on the right

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