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How to find tan 7.5 degrees??

How to find tan 7.5 degrees??

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1 Answers

Aman Bansal
592 Points
11 years ago

Dear Sheikh,

You have to apply the following formula:

sin (a/2) = [(1-cos a)/2]^1/2

cos(a/2) = [(1+cos a)/2]^1/2

tan2a = [2tan a]/[1  + tan^2(a)]

 The answer is : (root 6)-(root 3)+(root 2)-2

Best Of luck

Plz Approve the answer...!!!!

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Thanks

Aman Bansal

Askiitian Expert

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