8 Cosec^2@ + 25 Sin^2@ = ?
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0
Answer:
cosecθ−sinθ)
2
≥0
cosec
2
θ+sin
2
θ−2≥0
cosec
2
θ+sin
2
θ≥2
Therefore
cosec
2
θ+sin
2
θ≥2
Hence answer is D
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