Evaluate each of the following tan^2 30° + tan^2 60° + tan^245°

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asked Feb 15, 2018 in Mathematics by sforrest072 (157,439 points) 63 451 1294

Evaluate each of the following

tan2 30° + tan2 60° + tan245°

1 Answer

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answered Feb 15, 2018 by mdsamim (213,225 points) 5 10 23
selected Feb 15, 2018 by sforrest072
 
Best answer

tan2 30° + tan2 60° + tan245° …(i)

By trigonometric ratios we have

By substituting above values in (i), we get

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