Math, asked by whittiger148, 1 month ago

If sin A = 8/21 , compute cosA and tan A

Answers

Answered by vikrantbagra19

Step-by-step explanation:

cos a = √(1-sin²a)

cos a = √(1-64/441)

cos a = √(377/441)

Tan a = sina/cosa

tana = (8×21)/21×√377

tana = 8/√377

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