What are the principal values for the inverse trigonometric functions?

<p>students can check the table for the principal values for all ITFs below;</p><table style="width: 73.9649%;"><thead><tr><th style="width: 44.0404%;">Function</th><th style="width: 55.9363%;">Principal Value Range (in radians)</th></tr></thead><tbody><tr><td style="width: 44.0404%;">sin? ¹x</td><td style="width: 55.9363%;">–? /2 to? /2</td></tr><tr><td style="width: 44.0404%;">cos? ¹x</td><td style="width: 55.9363%;">0 to? </td></tr><tr><td style="width: 44.0404%;">tan? ¹x</td><td style="width: 55.9363%;">–? /2 to? /2</td></tr><tr><td style="width: 44.0404%;">cot? ¹x</td><td style="width: 55.9363%;">0 to? </td></tr><tr><td style="width: 44.0404%;">sec? ¹x</td><td style="width: 55.9363%;">0 to? (except? /2)</td></tr><tr><td style="width: 44.0404%;">cosec? ¹x</td><td style="width: 55.9363%;">–? /2 to? /2 (except 0)</td></tr></tbody></table>

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