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if 0 a.1+cot θ ≤ cot θ/2 b. 1+cot ≥ cot θ/2 c. 1+cot θ/2 ≥cot θ d. 1+cot θ/2 ≤ cot θ


if 0<θ<π then which of the following options is correct?

a.1+cot θ ≤ cot θ/2    b. 1+cot ≥ cot θ/2

c. 1+cot θ/2 ≥cot θ    d. 1+cot θ/2 ≤ cot θ

Grade:12

3 Answers

vikas askiitian expert
509 Points
13 years ago

option a is correct...

option a satisfies any value of @ in bw 0 to pie ,and for @=pie/2 LHS becomes equal to RHS...

hence option a is correct...

bipin kumar
33 Points
13 years ago

option a is true.

mycroft holmes
272 Points
13 years ago

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