If tanθ = 3/4, then sinθ equals?
- 3/5
- 5/3
- 2/5
- None of these
Explanation
tanθ = opposite / adjacent = 3/4
Make a right triangle:
Opposite = 3, Adjacent = 4
Find hypotenuse using Pythagoras:
hypotenuse² = 3² + 4² = 9 + 16 = 25
hypotenuse = 5
sinθ = opposite / hypotenuse = 3/5
Last verified on 10-06-2026
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