Question

Pre calculus cos(sin^-1(4/7))

Answer 1

Answer:

$\frac{\sqrt{33} }{7}$

Step-by-step explanation:

Find the missing side of the right triangle by Pythagorean theorem:

$7^{2} = 4^{2} + x^{2}$

$x = \sqrt{33}$

The answer would be this over the hypotenuse.