PYQ - Find the value of the variable — task. Maths CBSE Live product, Pre-Crash Course.

Evaluate the value of \(z\) if \(2 \ cosec ^{2} 30+z \sin ^{2} 60 - \frac{3}{4} \tan ^{2} 30=22\)

Value of \(z\) is

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2. PYQ - Find the value of the variable