Question

find the value of sin105°​

Answer 1

Answer:

Here is your answer

Step-by-step explanation:

sin (105) = sin (15 + 90) = cos 15. Apply the trig identity: cos2x=2cos2x−1. sin(105)=cos(15)=√2+√32.

Answer 2

sin 105 degree = sin 60 degree + sin 45 degree

= root3 / 2 + 1 / root2

= root12 + 2root 2 / 2

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