To answer your question, it is shown in the image below:
Which expression is equivalent to the some 30 + 12
1 answer:
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Answer:
Step-by-step explanation:
I'm going to write 105 as a sum of numbers on the unit circle.
If I do that, I must use the sum identity for sine.
Plug in the values for sin(60),cos(45), sin(45),cos(60)