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Find the exact value of sin⁡(105°).

Find the exact value of sin⁡(105°).
asked 14.3k views
3 votes
Find the exact value of sin⁡(105°).

asked
User Beaumondo
by
8.4k points

2 Answers

4 votes

Answer:

-0.970535284

Explanation:

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

answered
User Methmal Godage
by
8.4k points
5 votes

Answer:

sin(105°)=-0.258819045102521

or
( √(6) +√(2))/(4)

Explanation:

answered
User Maarten Hartman
by
8.7k points
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