Q. 1 E4.6( 5 Votes )

Find the values of the following trigonometric ratios:


Answer :

Given tan 7π/4



315° = (90° × 3 + 45°)


315° lies in fourth quadrant in which tangent function is negative.


tan (315°) = tan (90° × 3 + 45°)


=-cot 45°


=-1


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