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Most Important Selected Qs for JEE AdvancedMathematicsTrigonometry

If 2 ^2 +2 2 =3 cosec ^2 , where (0, ) , then:

Options

  1. Anumber of real solutions is 2 .
  2. Bsum of all solutions is .
  3. Cnumber of real solution is 4 .
  4. Dsum of all solutions is 4 .

Correct answer

C. number of real solution is 4 .

Step-by-step solution

2 t^2+2 2 t=3 ; t= ^2 t= ^2 = 1 2 = 1 [4] 2

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