Wednesday

July 30, 2014

July 30, 2014

Posted by **Anonymous** on Wednesday, November 27, 2013 at 11:57pm.

Answer this Que

- trig -
**Steve**, Thursday, November 28, 2013 at 7:42amif cot 2θ = 5/12, the 2θ is in QI or QIII. But, since 2θ<π, we must be in QI.

so, sin2θ = 12/13, cos2θ = 12/13

Now use the half-angle formulas to find sinθ, cosθ, tanθ.

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