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Which value is equivalent to sin42∘?

a. cos3∘
b. cos90∘
c. cos45∘
d. cos48∘

4 answers

clearly not B

C'mon, GROOVE - this is just a homewok dump isn't it? No input of any kind on your part. Just study your basic trig functions.
or draw a picturee
oobleck, what do you mean I thought that's what this website is for.
The answer is D. cos 48
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