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11-06-2014
Mathematics

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Which of the following is equivalent to sin theta csc(–theta) wherever sin theta csc(–theta) is defined?
F. –1
G. 1
H. –tan theta
J. tan theta
K. –sin2 theta

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30-06-2014

[tex]sin\theta csc(-\theta)=sin\theta\cdot\frac{1}{sin(-\theta)}=sin\theta\cdot\frac{1}{-sin\theta}=\frac{1}{-1}=-1\\\\Answer:F[/tex]

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