Dron Chakradhari Asked a Question
August 30, 2020 4:49 pmpts 30 pts
cos x -sin x0 10. ff) = Sin x cos x 0 , thenf(x +y) is equal to: 0 1 C) fo)fo) D) None of thes (A) f) +fo) B) fx)-fO)
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  • Ravi prakash yadav Best Answer
    C is the answer
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