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प्रश्न
Find the trigonometric function of:
30°
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उत्तर
Angle of measure 30°:
-
Hypotenuse = 2 units
-
Side opposite 30° = 1 unit
-
Side adjacent to 30° = `sqrt3` units
Now use the definitions of trigonometric functions:
- sin 30° = opposite / hypotenuse = `1/2`
- cos 30° = adjacent / hypotenuse = `sqrt3/2`
- tan 30° = opposite / adjacent = `1/sqrt3`
- cot 30° = 1 / tan 30° = `sqrt3`
- sec 30° = 1 / cos 30° = `2/sqrt3`
- csc 30° = 1 / sin 30° = 2
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