RD Sharma - Mathematics

Book: RD Sharma - Mathematics

Chapter: 7. Values of Trigonometric Functions at Sum of Difference of Angles

Subject: Maths - Class 11th

Q. No. 10 of MCQ

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Mark the correct alternative in the following:

If cot (α + β) = 0, then sin (α + 2 β) is equal to

cot (α + β) = 0

sin (α + 2 β)= sin (α +β) cos(β) + sin(β) cos (α +β)


sin (α + 2 β)= cos(β)

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