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. If cos2? sin2? 1 1 i x x = + - + , then x is equal to a) i tan? b) i tan 2? c) i cot ? d) i cot 2?

. If cos2? sin2?
1
1 i
x
x = + -
+ , then x is equal to

a) i tan? b) i tan 2? c) i cot ? d) i cot 2?

Grade:

2 Answers

Saurabh Koranglekar
askIITians Faculty 10336 Points
2 years ago
Dear student

Please attach the image of the question

Regards
Vikas TU
14149 Points
2 years ago
Dear student 
Question is not clear 
Please attach an image, 
We will happy to  help you 
Good Luck
Cheers
 

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