Q9. If cosec θ – cot θ = 1/3, the value of (cosec θ + cot θ) is
Question
(a) 1
(b) 2
(c) 3
(d) 4
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Class 10 Maths
3 years
2021-12-23T10:49:46+00:00
2021-12-23T10:49:46+00:00 1 Answer
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Answer ( 1 )
Answer: (c) 3
cosecθ−cotθ=1/3
⇒(cosecθ−cotθ)=cosec2θ−cot2θ/3
⇒(cosecθ−cotθ)=(cosecθ−cotθ)(cosecθ
+cotθ)/3/3/
⇒(cosecθ+cotθ)=3
Hence, the answer is 3.