Q.2459 : यदि tan² 45° - cos² 30° = x sin 45° cos 45° हो तो x = ?

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Q.2459 : यदि tan² 45° - cos² 30° = x sin 45° cos 45° हो तो x = ?
(a) 2
(b) -2
(c) 1/2
(d) -1/2

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Answer :1/2

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