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October 2, 2014

October 2, 2014

Posted by **Hannah** on Wednesday, March 10, 2010 at 11:12pm.

sqrt 3 / 3 Am I correct?

2) Complete the identity

tan^2Q - 3sinQtanQsecQ =

-2tan^2Q Correct?

- Pre-Cal -
**Reiny**, Thursday, March 11, 2010 at 12:05amYou are correct if your expression is

(tan5 + tan25)/(1 - tan5tan25), which is not what you typed.

- Pre-Cal -
**Reiny**, Thursday, March 11, 2010 at 12:07amyes, to your second part

- Pre-Cal -
**victor_hery**, Friday, August 31, 2012 at 12:12am(tan5 + tan25)/(1 - tan5tan25)= tan (5+25) = tan 30 degrees = (sqrt 3)/3

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