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ADNAN MUHAMMED

Grade 12,

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Prove that 1/ cosec A - cot A + 1/ cosec A + cot A = 2/ sin A

 Prove that 1/ cosec A - cot A + 1/ cosec A + cot A = 2/  sin A

Grade:12th pass

2 Answers

Bharath
90 Points
2 years ago
=1/cosecA-cotA+1/cosecA+cotA.                    =cosecA+cotA+cosecA-cotA/cosec*2A-cot*2A.                                                                 =2cosecA/1.                                                        =2(1/sinA)                                                            =2/sinA.
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