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Question

2tan245+3cos230sin260=___


A

72

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B

27

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C

172

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D

12

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Solution

The correct option is A

72


tan 45=1, cos30=32and sin 60=322tan245+3cos230sin260=2(1)2+3(32)2(32)2=2+9434=8+934=144=72


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