Q3 of 90 Page 7

Mark the correct alternative in the following:

tan 20o + tan 40o + √3 tan 20o tan 40o is equal to


tan 20o + tan 40o + √3 tan 20o tan 40o

tan 60o (1- tan 20o tan 40o)+ √3 tan 20o tan 40o


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The value of is


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If and then the value of A + B is


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Mark the correct alternative in the following:

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