Ex 2.2, 13 (MCQ) - Find cos^-1(cos 7pi/6) is equal to (A) 7pi/6
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Ex 3.3, 6 - Prove that cos (pi/4 - x) cos (pi/4 - y) - Chapter 3
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Ex 3.3, 3 - Prove that cot2 pi/6 cosec 5pi/6 3 tan2 pi/6 = 6
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DIV » DIVProve That: Sin ( π 3 − X ) Cos ( π 6 X ) Cos ( π 3 − X ) Sin ( π 6 X ) = 1 - Mathematics | Shaalaa.com
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