Question

*.
If sin A= 5/13 find cos A.​

Answer 1

Step-by-step explanation:

cosA = 12/13

is your answer

Answer 2

Answer:

Sin A = 5\13

Cos A=

$= \sqrt{13 ^{2} } - \sqrt{5 {}^{2} }$

$= \sqrt{12 {}^{2} }$

$= \sqrt{144}$

$= 12$

Cos A= adjacent side/hypotenuse

Cos A = 12/13

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