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Akhilesh Tiwari

· started a discussion

· 1 Months ago

cos150 (Question:671894.0)

cos 150 ki value kese find ki h

Question:

What is the value of $\frac{4}{3} c o t^{2} (\frac{π}{6}) + 3 c o s^{2} (150 º) - 4 c o s e c^{2} 45 º + 8 s i n (\frac{π}{2})$ ?

Options:

A)

$\frac{25}{4}$

B)

$\frac{- 25}{4}$

C)

1

D)

$\frac{4}{25}$

Solution:

Ans: (a)

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