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OpenStudy (anonymous):
STEPS to finding the value of cos75-cos15? I need to know what the second step is :/ PLEASE HELP!
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OpenStudy (anonymous):
use your calcator and type in cos 75 degrees and hit equals or find a unit circle and recall cos is adj over hyp so the value should be 2/square root of three hope the helps
OpenStudy (anonymous):
Thanks! But I need to know the actual step :/ Can you please help me with that?
OpenStudy (anonymous):
@godorovg ?
OpenStudy (anonymous):
put this into your calc cos 75-cos 15 and equals
OpenStudy (anonymous):
other wise you need to find what cos 75 is and than cos 15 and subtract the values.
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OpenStudy (anonymous):
The answer is -.707. Is c. the answer?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
THANKS
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