CBSE 10th Class Mathematics
Past year question paper
Year 2020
SET 1, Code Number – 30/5/1
Question Number – 20
Trigonometric function excise
trigonometric relation
Deepak BoraNewbie
Evaluate: [2 tan 45° × cos 60°] / sin 30°
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Evaluate:
[2 tan 45° × cos 60°] / sin 30° = 1