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How many of the following trigonometric ratios are correct? (1)Sin (15∘) = √3+12√2 (2)Cos (105∘) = 1−√32√2 (3)Sin 75∘ = √3−12√2 (4)Tan 15∘ = 2−√3 __ |
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Answer» How many of the following trigonometric ratios are correct? (1)Sin (15∘) = √3+12√2 (2)Cos (105∘) = 1−√32√2 (3)Sin 75∘ = √3−12√2 (4)Tan 15∘ = 2−√3 |
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