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Question Number 143856 by gsk2684 last updated on 19/Jun/21

$$\mathrm{if}\frac{{\cos }^4\mathrm{x}}{{\cos }^2\mathrm{y}}+\frac{{\sin }^4\mathrm{x}}{{\sin }^2\mathrm{y}}=1\mathrm{then}\mathrm{find}$$$$\frac{{\cos }^4\mathrm{y}}{{\cos }^2\mathrm{x}}+\frac{{\sin }^4\mathrm{y}}{{\sin }^2\mathrm{x}}$$

Commented by justtry last updated on 19/Jun/21

$$clickviewall,clickviewolder$$$$Findansweredby..$$

Commented by justtry last updated on 19/Jun/21

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