Question

if sin A =3/4
Calculate cos A and Tan A
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Answer 1

Answer:

Hey mate i will help u

Refers with attachments

Answer 2

Answer:

cosA=√7/4 & tanA=3/√7

Step-by-step explanation:

sinA= 3/4=perpendicular/hypotenuse

=)h^2=p^2+b^2

=)(4)^2=(3)^2+b^2

=)16=9+b^2

=)b^2=16-9

=)b=√7

Now,

cosA=b/h=√7/4

& tanA=p/b=3/√7