Find the exact value of sin⁡(105°).

asked May 5, 2021 14.3k views

3 votes

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4 votes

Answer:

-0.970535284

Explanation:

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

5.3k points

5 votes

Answer:

sin(105°)=-0.258819045102521

or
( √(6) +√(2))/(4)

Explanation:

Maarten Hartman answered May 9, 2021

5.9k points

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