Which of the foll is equal to (cosec thita- sin thita)(sec thita-cos thita)?
A. Sec thita+tan thita
B. 1/tan thita+cot thita
C. Tan thita + cot thita
D. Sec thita - tan thita
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(cosec a - sin a)(sec a - cos a)
(1/sin a - sin a)(1/cos a - cos a)
(1 - sin a ^ 2/sin a)(1 - cos a ^ 2/cos a)
(cos a ^ 2/sin a)(sina ^ 2/sin a)
=cos a/sin a
B.
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