Question

if sin A equal to 3 by 4 calculate Cos A and cot A. A is an acute angle​

Answer 1

sin A =3/4

${sin}^{2} + {cos}^{2} = 1$

$1 - { \frac{3}{4} }^{2} = {cos}^{2}$

$1 - { \frac{9}{16} }$