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CBSE Class 10 Answered

please help
Asked by satishcharan533 | 24 Sep, 2020, 02:50: PM
Expert Answer
cosec2A - cot2A = 1 is true for all a between 0o and 90o
It is not true for A = 0 as sinA = 0 and cosA = 1
Answered by Renu Varma | 25 Sep, 2020, 11:55: AM

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