If sin θ = 0.7, then cos q, 0 ≤ θ < 90°,

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If sin θ = 0.7, then cos q, 0 ≤ θ < 90°, is

1. 0.3
2. √0.49
3. √0.51
4. √0.9

Correct Option: C

sin θ = 0.7
∴ cos θ
= √1 - sin² θ= √1 - (0.7)²
= √1 - 0.49= √0.51