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Thread: Verifying Trigonometric identities.

  1. March 19th 2010, 03:01 AM #1
    somanyquestions
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    Verifying Trigonometric identities.

    Perform each indicated operation (using sin θ and cos θ) and simplify the result.

    (cosθ / sinθ) + (sinθ / 1+cosθ)=?
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  2. March 19th 2010, 03:17 AM #2
    Black
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    \frac{\cos \theta}{\sin \theta}+\frac{\sin \theta}{1+ \cos \theta}=\frac{\cos^2 \theta + \sin^2 \theta + \cos \theta}{\sin \theta (1+ \cos \theta)}

    =\frac{1+\cos \theta}{\sin \theta (1+ \cos \theta)}=\frac{1}{\sin \theta}.
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