Question: a. -1 b. 0 c. 1 d. 2 If the equation sin (x+x+1)+cos (ax+1)= has exactly two distinct solutions then value of a could

a. -1 b. 0 c. 1 d. 2 If the equation sin

a. -1 b. 0 c. 1 d. 2 If the equation sin (x+x+1)+cos (ax+1)= has exactly two distinct solutions then value of a could not be

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