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Question Number 151493 by iloveisrael last updated on 21/Aug/21
cos(5π2−6x)+sin(π+4x)+sin(3π−x)sin(5π2+6x)+cos(4x−2π)+cos(x+2π)=?
Commented by MJS_new last updated on 21/Aug/21
tanx
Commented by liberty last updated on 21/Aug/21
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