CUET Preparation Today
If sin A =\(\frac{3}{5}\) , then find the value of (12 secA + 9 cotA) . |
15 24 27 12 |
27 |
sin A =\(\frac{3}{5}\) =\(\frac{3}{5}\)=\(\frac{P}{H}\) [Triplet 3 , 4 , 5] B = 4 ⇒ 12 secA + 9 cotA = 12 × \(\frac{5}{4}\) + 9 × \(\frac{4}{3}\) = 15 + 12 = 27 |
