CUET Preparation Today
CUET
General Test
Quantitative Reasoning
Trigonometry
If θ is an acute angle and 8 sinθ + 15 cosθ = 17 , find the value of sinθtanθ + cosθ. |
3017 0 1 1730 |
3017 |
In equation → 8 sinθ + 15 cosθ = 17 If the coefficients of sinθ and cosθ and constant are making a triplet then → 8 sinθ + 15 cosθ = 17 ↓ ↓ ↓ P B H Therefore, sinθtanθ + cosθ = sinθsinθcosθ + cosθ = cosθ + cosθ = 2 cosθ = 2 × 1517 = 3017 |