Although 330° is a special angle on the unit circle, Amar wanted to determine its coordinates using the sum and difference formu
las.
Part A: Determine cos 330° using the cosine sum identity. Be sure to include all necessary work.
Part B: Determine sin 330° using the sine difference identity. Be sure to include all necessary work.
1 answer:
Answer:
Here you go.Hope this help!!
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