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5. Trigonometric Ratios
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Q26 of 143 Page 6

is equal to

Given,








[∵ sin 60° = √3/2]


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24

If 5θ and 4θ are acute angles satisfying sin 5θ = cos 4θ, then 2 sin 3θ – √3 tan 4θ is equal to

25

If A + B = 90°, then is equal to

27

is equal to

28

sin 2A = 2 sin A is true when A =

Questions · 143
5. Trigonometric Ratios
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