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OpenStudy (anonymous):
Sin(90°-x)+CotxSinx helpppp.
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OpenStudy (anonymous):
2cos x
OpenStudy (anonymous):
can you explain how you got that please?
OpenStudy (anonymous):
sin (90-x) is cosx and cotx =cosx/sinx
OpenStudy (anonymous):
thanks ! :)
OpenStudy (anonymous):
no prob.. (:
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