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MHT CET202310 May 2023Morning ShiftMathematicsTrigonometric EquationsActual

The number of possible solutions of + 4 + 7 =0, (0, ) are

Options

  1. A3
  2. B4
  3. C6
  4. D8

Correct answer

C. 6

Step-by-step solution

aligned & 7 + + 4 =0 & 2 4 3 + 4 =0 & 4 (2 3 +1)=0 & 4 =0 or 3 = -1 2 & 4 =0 or 3 = ( 2 3 ) & 4 = n or 3 =2 n 2 3 & = n 4 or = 2 n 3 2 9 & = 2 9 , 4 , 4 9 , 2 , 3 4 , 8 9 [ (0, )] aligned Number of solutions =6

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