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prove that 2 tan inverse 1/5 + cos inverse 63/65 = sin inverse 3/5

prove that 2 tan inverse 1/5 + cos inverse 63/65 = sin inverse 3/5

Grade:12

1 Answers

Amit
405 Points
4 years ago
Hi there . For this convert everything in tan-¹ and apply formula .. for example for cos-¹(63/65) can be written as tan-¹(16/65).

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