\displaystyle \tan\left ( 45^{\circ} -\frac{A}{2}\right )   is eq | Filo
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Class 11

Math

Calculus

Trigonometric Functions

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is equal to 

Correct Answer: Option(d)
Solution:

Consider given the expression,



Now, by multiplying both numerator and denominator by, we get,



 

Hence, this is the answer.
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