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the value of cotx/cot2x – tanx/cot 2x is …... a).1 b).2 c).-1 d).4

the value of cotx/cot2x – tanx/cot 2x is …...
a).1 b).2 c).-1 d).4 

Grade:11

1 Answers

Sankalp Das
25 Points
3 years ago
=cotx/cot2x – tanx/cot 2x=(cotx-tanx)/cot2x=(1-tan^2x)/tanx ×2tanx/1-tan^2x=2Therefore b option is correct

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