AP EAMCET2012MathematicsTrigonometric Ratios & Identities

The minimum value of 27 ^2 +3 ^2 is

Options

Correct answer

B. 18

Step-by-step solution

Given trigonometrical equation is 27 ^2 +3 ^2 aligned & 27 ^2 +3 ^2 2 27 ^2 3 ^2 & 27 ^2 +3 ^2 2 81 & 27 ^2 +3 ^2 18 aligned Hence, minimum value of given equation is 18

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