Question

Find the exact value of sin⁡(105°).

Answer 1

Answer:

-0.970535284

Step-by-step explanation:

Apply the trig identity: cos2x=2cos2x−1. sin(105)=cos(15)=√2+√32.

Answer 2

Answer:

sin(105°)=-0.258819045102521

or $\frac{ \sqrt{6} +\sqrt{2}}{4}$

Step-by-step explanation: