If 0° < θ < 90° find fracsin^252+2+sin^2384sin^247+5+4cos^243

If sum of θ = 90°

Put then equal

Put θ = 45°

⇒ \(\frac{\frac{1}{2}+2+\frac{1}{2}}{\frac{4}{2}+5+\frac{4}{2}}\)=\(\frac{3}{9}\) = \(\frac{1}{3}\)