NDA Math Trigonometric Ratios of Angles and Equations Part 2
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DIRECTIONS (Qs. 22-24) : Read the following information and answer the three items that follow:
Letα = β = 15 °
Let
[NDA-I 2020]
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Question : 52 of 75
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What is the value of sin 7 α − cos 7 β ?
[NDA-I 2020]
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