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mayank davaggar

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· 1 Months ago

3/7 (Question: 364684.0 )

3/7

Question:

If $\frac{a - a {t a n}^{2} 30^{o}}{1 + a {t a n}^{2} 30^{o}}$ = sin² 30^o + 4cot² 45^o – sec² 60^o, then the value of a is–

Options:

A)

$\frac{1}{4}$

B)

$\frac{1}{\sqrt{3}}$

C)

$\frac{1}{2}$

D)

$\frac{1}{5}$

Solution:

Ans:(c)

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