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OpenStudy (anonymous):
cos(pi/2-x)=?
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OpenStudy (anonymous):
cos(pi/2 - x ) = sinx
OpenStudy (anonymous):
@tinaballerina
OpenStudy (akashdeepdeb):
cos(90-x) You may know that sin x = cos (90-x) So it is same as sin x :D Understood? :)
OpenStudy (anonymous):
Yes. Thank you much everyone.:-)
OpenStudy (akashdeepdeb):
:)
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OpenStudy (anonymous):
You're welcome
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