JEE MAIN - Mathematics Hindi (2019 - 9th April Morning Slot - No. 12) | ExamPlay

JEE MAIN - Mathematics Hindi (2019 - 9th April Morning Slot - No. 12)

cos²10° – cos10°cos50° + cos²50° का मान है

$${3 \over 2} + \cos {20^o}$$

$${3 \over 4}$$

$${3 \over 2}(1 + \cos {20^o})$$

$${3 \over 2}$$

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