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Trigonometry, image - Coggle Diagram
Trigonometry
Sine
Considering the unit circle with origin (0,0) and 1 as radius, draw a point P on the intersection between the circle and the half-linewith angle α, which is
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Cosine
Considering the unit circle with origin (0,0) and 1 as radius, draw a point P on the intersection between the circle and the half-linewith angle α, which is
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Tangent
The tangent of an angle is the ratio between the adjacent and the opposite of a right triangle containing that angle
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every triangle inscribed in half a circumference is always a right triangle if it the longest side is equal to the diameter of the circle
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