Question

if sin A 1/3, then cos A


​

Answer 1

Step-by-step explanation:

$\cos(a) = \sqrt{1 - { \sin(a) }^{2} } \\ \: \: = \sqrt{1 - \frac{1}{9} } = \frac{2 \sqrt{2} }{3}$

I hope it will help you to understand the solution ☺️

Please mark it as the brainliest answer

Answer 2

Answer:

cosA=2root2/3

Step-by-step explanation:

sinA=1/3 .....ie (opp/hyp)

cos A =adj/hyp

=root (3²-1²)/3

=root8/3

=2root2/3