Question

Please please help me out

Answer 1

Answer:

$\frac{1}{2}$

Step-by-step explanation:

Using the Pythagorean identity

sin²x + cos²x = 1, then

cosx = $\sqrt{1-sin^2x}$

note that ($\frac{\sqrt{3} }{2}$ )² = $\frac{3}{4}$

cosΘ = $\sqrt{1-\frac{3}{4} }$ = $\sqrt{\frac{1}{4} }$ = $\frac{1}{2}$

Answer 2

Answer:

1/2

Step-by-step explanation:

see the picture.