Question

8 Cosec^2@ + 25 Sin^2@ = ?​

Answer 1

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