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9. Values of Trigonometric Functions at Multiples and Submultiple of a
Home · Class 11 · Maths · Ref. Book · 9. Values of Trigonometric Functions at Multiples and Submultiple of a
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Q1 of 123 Page 9

Mark the Correct alternative in the following:

is equal to


Given expression,



[by rearranging terms]



[using the formula sin2θ = 2sinθcosθ]






= sin x


Hence

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12

If sin x + cos x = a, find the value of sin6 x + cos6 x.

13

If sin x + cos x = a, find the value of |sin x – cos x|

2

Mark the Correct alternative in the following:

is equal to


3

Mark the Correct alternative in the following:

The value of is


Questions · 123
9. Values of Trigonometric Functions at Multiples and Submultiple of a
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