SOLUTION: Vertify the identity
cosx(cosx+cotx)=(cotx.cosx)(sinx+1)
Algebra.Com
Question 401040: Vertify the identity
cosx(cosx+cotx)=(cotx.cosx)(sinx+1)
Answer by Tatiana_Stebko(1539) (Show Source): You can put this solution on YOUR website!
Let work with left side of identity
Formula:
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