Question

The angle θ1 is located in quadrant 2, and sin(θ1) = 1/4. what is the value of cos(θ1)?

Answer 1

Answer:

$-\frac{\sqrt{15}}{4}$

Step-by-step explanation:

on quadrant 2

$\cos{\theta_1}=-\sqrt{1-\sin^2{\theta_1}}$

Answer 2

Answer:

-$\sqrt{15} /4$

Step-by-step explanation: