Evaluate Trig Functions
Evaluate Trig Functions
Evaluate Inverse Trig Functions
100
\[\sin \left( {{{30}^ \circ }} \right)\]
1/2
100
\[\tan \left( {{{135}^ \circ }} \right)\]
-1
100
\[{\tan ^{ - 1}}\left( 1 \right)\] Give 2 angles between 0 and 360 degrees.
\[{45^ \circ }\] and \[{225^ \circ }\]
200
\[\cos \left( {{{45}^ \circ }} \right)\]
\[\frac{{\sqrt 2 }}{2}\]
200
\[\sin \left( {{{240}^ \circ }} \right)\]
\[ - \frac{{\sqrt 3 }}{2}\]
200
\[{\sin ^{ - 1}}\left( {\frac{{\sqrt 3 }}{2}} \right)\] Give 2 angles between 0 and 360 degrees.
\[{60^ \circ }\] and \[{120^ \circ }\]
300
\[\tan \left( {{\textstyle{\pi \over 4}}} \right)\]
1
300
\[\cos \frac{{5\pi }}{3}\]
1/2
300

cot^-1(sqrt(3))

60, 240 Degrees

400
\[\csc \left( {{\textstyle{\pi \over 3}}} \right)\]
\[\frac{{2\sqrt 3 }}{3}\]
400
\[\sec ( - {225^ \circ })\]
\[ - \sqrt 2 \]
400

cos^-1(1/2)

60, 300 Degrees

500
\[\cot \left( {{\textstyle{\pi \over 6}}} \right)\]
\[{\sqrt 3 }\]
500
\[\cot \left( {\frac{{7\pi }}{4}} \right)\]
-1
500

sec^-1(2)

60, 300 Degrees

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