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astraxan [27]
3 years ago
8

Please help I need help

Mathematics
1 answer:
Andreas93 [3]3 years ago
3 0

Answer:

Choice C. sin 105 = sin(60 + 45) = sin 60 cos 45 + cos 45 sin 60

Step-by-step explanation:

sin(A + B) = sin A cos B + cos A sin B

sin(105) = sin(60 + 45) = sin 60 cos 45 + cos 45 sin 60

Answer: choice C

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