If and then the value of is

MATHEMATICS · Subjective · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

If 9xcos⁡θ+5ysin⁡θ=56\frac{9x}{\cos \theta} + \frac{5y}{\sin \theta} = 56 and 9xsin⁡θcos⁡2θ−5ycos⁡θsin⁡2θ=0\frac{9x \sin \theta}{\cos^2 \theta} - \frac{5y \cos \theta}{\sin^2 \theta} = 0 then the value of [(9x)2+(5y)2]3\left[ (9x)^2 + (5y)^2 \right]^3 is

Related theory

Browse the problem library