Elements of plane and spherical trigonometry . angle is the reciprocal of thetangent of the angle. Thus, cot A AG AGXBG B,G etc. (8) The secant (sec) of an angle is
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Trigonometric functions - Wikipedia
The 6 Trig Ratios
Trigonometry Calculator. Simple way to find sin, cos, tan, cot
sin cos tan O H A H O A H csc O H sec A A cot O
Trigonometry - Online Study Guide
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trigonometry | Definition, Formulas, Ratios, & Identities | Britannica