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15-10-2020
Advanced Placement (AP)

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what is the exact value of sin(105degrees)?

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sydprez1 sydprez1

15-10-2020

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 =

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