Trigonometric Formula
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Trigonometric Formula Useful trig formulas and some very helpful links for learning trigonometric concepts.
Triangle ABC is any triangle with side lengths a,b,c Law of Cosines
Law of Sines
Sine, Cosine and Tangent Opposite & adjacent sides and SOHCAHTOA of angles
The Sine, Cosine and Tangent functions express the ratios of sides of a right triangle. See below for greater detail Sine Function The sine of an angle is always the ratio of the (opposite side)/ (hypotenuse).
Sine of ABC=AC /AB (opposite side)/(hypotenuse)
Cosine Function The cosine of an angle is always the ratio of the (adjacent side/ hypotenuse)
The cosine of ABC =CB/AB (adjacent side)/(hypotenuse)
Tangent Function The tangent of an angle is always the ratio of the (opposite side)/(adjacent side)
The tangent of
ABC =AC/ CB
Triangle ABC is any triangle with side lengths a,b,c Law of Cosines
Law of Sines
Sine, Cosine and Tangent Opposite & adjacent sides and SOHCAHTOA of angles
The Sine, Cosine and Tangent functions express the ratios of sides of a right triangle. See below for greater detail Sine Function The sine of an angle is always the ratio of the (opposite side)/ (hypotenuse).
Sine of ABC=AC /AB (opposite side)/(hypotenuse)
Cosine Function The cosine of an angle is always the ratio of the (adjacent side/ hypotenuse)
The cosine of ABC =CB/AB (adjacent side)/(hypotenuse)
Tangent Function The tangent of an angle is always the ratio of the (opposite side)/(adjacent side)
The tangent of
ABC =AC/ CB
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