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If  then what is the value of the determinant of m sinθ + n cosθ 

  1. 1
  2. -1
  3. 3
  4. 2

Answer (Detailed Solution Below)

Option 4 : 2
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Detailed Solution

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गणना: 

m sinθ + n cosθ = sin θ  + cos θ 

= +

= 

आता,

|m sinθ + n cosθ| = 

=  + 

= 2()

= 2

म्हणून, पर्याय (4) योग्य आहे.

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