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(sin35°/cos55°)^2 + (cos43°/sin47°)^2 – 2 cos 60° का मान ज्ञात कीजिए।

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(sin35°/cos55°)2 + (cos43°/sin47°)2 – 2 cos 60° का मान ज्ञात कीजिए।

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\((\frac{sin\ 35°}{cos\ 55°})^2+(\frac{\cos\ 43°}{sin\ 47°})^2 \)

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