jackkie10
19.10.2019 •
Mathematics
If the sin 30° = , then which statement is true?
select one:
a. cos 150° = 0 because the cosine and sine are supplements
b. cos 60° = because the cosine and sine are complements
c. cos 150° = 1 because the cosine and sine are supplements
d. cos 60° = 0 because the cosine and sine are complements
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