Math, asked by carolineongmusherpa, 1 year ago

prove that tan 48 degree tan 23degree tan 42 degree tan 67degree=1...........

Answers

Answered by AmanRajleo

=> tan48° * tan23° * tan42° * tan67° = 1. = tan(90°- 42°) * tan(90°- 67°) * tan42° * tan67° = cot42° * cot 67° * tan 42° * tan 67°. => 1/tan42° * 1/tan67° * tan42° * tan67° =1.

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