Spencer has been saving money to buy a new phone. His friends invite him to a concert next weekend. He tells them he really want
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Sin (105) = sin (15+90)= cos 15- ℎ ℎ
Explanation:
sin(105) = sin (60+45) because sin (a +b)= sin a • cos b+ cos a• sin b
Therefore,
sin 105= sin (60+45) = sin 60• cos 45 + cos 60 • sin 45 =
The picture below is your answer.
Explanation:
sin(105) = sin (60+45) because sin (a +b)= sin a • cos b+ cos a• sin b
Therefore,
sin 105= sin (60+45) = sin 60• cos 45 + cos 60 • sin 45 =
The picture below is your answer.