Question

If cos A =12/13, find Sin A, Tan A

Answer 1

cosA = 12/13

cis²A + sin²A = 1

(12/13)² + sin²A = 1

144/169 + sin²A = 1

sin²A = 1 - 144/169

sin²A = (169 - 144)/169

sin A = √(25/169)

sinA = 5/13

tanA = sinA/cosA = 5/12

tanA = 5/12

Answer 2

Answer:

Sin A =5/13

Tan A=5/12

Step-by-step explanation:

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