Q46 of 126 Page 140

Mark the tick against the correct answer in the following:

(tan-1 2 + tan-1 3) = ?


To Find: The value of +


Since we know that + =


+ =


=


=


Since the principle value of tan lies in the range [0,]


=

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44

Mark the tick against the correct answer in the following:

If then x = ?


 45

Mark the tick against the correct answer in the following:

If then


47

Mark the tick against the correct answer in the following:

If tan-1 x + tan-1 3 = tan-1 8 then x = ?


 48

Mark the tick against the correct answer in the following:

If then x = ?