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Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesMaximum and minimum values of trigonometrical functions, Conditional trigonometrical identities
Easy

यदि $A + B + C = 270^o$ है,तो $\cos 2A + \cos 2B + \cos 2C + 4\sin A \sin B \sin C = $

  • A
    $0$
  • B
    $1$
  • C
    $2$
  • D
    $3$
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Class 11 Questions

Class 11

Mathematics Questions

Chapter

Trigonometrical Ratios, Functions and Identities

Subtopic

Maximum and minimum values of trigonometrical functions, Conditional trigonometrical identities

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