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OpenStudy (anonymous):
If the sin 45° is 0.707, then the cos _____° is 0.707.
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OpenStudy (anonymous):
Is it 45 degrees also? Idk
OpenStudy (anonymous):
@mathmale @mertsj
OpenStudy (raden):
use these identities : sin(x) = cos(90 - x) also sin(x) = cos(270 + x) here plug in that x = 45
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