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OpenStudy (purplemexican):
The sine of the complimentary angle to 75°
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OpenStudy (purplemexican):
a. 0.65 c. 0.34 b. 0.57 d. 0.26
OpenStudy (anonymous):
that is cos 75
OpenStudy (anonymous):
because cosine is the complement of sine ... answer is d
OpenStudy (purplemexican):
ah thank you
OpenStudy (anonymous):
I am not really sure, the complimentary angle of 75 degrees is 15, and the sine of 15 is about 0.65, but I am not really good with this stuff so you should probably listen to @GIL.ojei
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OpenStudy (anonymous):
sine 15 is same as cos 75
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