Practicing Success
Practicing Success
CUET Preparation Today
If θ = 30°, then find sin2θ + 2cosθ. |
1 2\(\frac{√3}{2}\) 3\(\frac{√3}{2}\) \(\frac{√3}{2}\) |
3\(\frac{√3}{2}\) |
sin2θ + 2cosθ = sin ( 2× 30)° + 2cos30° = \(\frac{√3}{2}\) + 2 × \(\frac{√3}{2}\) = 3\(\frac{√3}{2}\) |
