- My TrigonometrySOHCAHTOA:Trigonometry in the right triangleMemorize some trigonometric values with the handUnit circle to the trigonometric coordinate system or how to draw a trigonometric functionThe real explanation of the radian in visualDéroulement du cercle et trigonométrieThe roller coaster sinusoidsDesert sinusoidsProof without words: Law of cosinusSimplified graduations of the unit circleUnit circle and main measurePlace a radian angle on the unit circleFourier seriesSlicing a cylinder in rotation by diagonal gives a sine functionUnderstand how to plot trigonometric functionsUnderstand how to plot trigonometric functions (2)Polygonal sinusoidesCircumference of the circle and the radianProof without words : the derivative of sinus functionProof without words: the derivative of the cosine functionSine function by color circular sectorsSine and cosine functions by segmentsEuler, complex numbers and unit circleAngle simplifications in the unit circley=f(x)= tan(x) by segments constructionFunction sinus in 3DFunction cosine in 3DWhy derive of sine is cosine?sun(x): a trigonometric functionUnroll the unit circleSine Curve with PointsAddition of 2 Sine FunctionsTrig Unspecified Triangle Cos LawLaw of SinesSine Curve with Abscissa in DegreesRelate Sin(a + b) and Sin(a-b)graphique de la fonction sinusTangent with Curve PointsANGELU OSAGARRIEN ARRAZOI TRIGONOMETRIKOEN ARTEKO ERLAZIOAIV KOADRANTEKO ANGELUAK: AURKAKO ANGELUAKI ETA III KOADRANTETAKO ANGELUEN ARTEKO ERLAZIOAKI ETA II KOADRANTEKO ANGELUEN ARTEKO ERLAZIOAKcos²x +sin²x =1The parameters of the sine function and its equationTrigonometric equation sin(x)= ATrigonometric equation : cos(x)= AReading tangent valueReading cosine valuesReading sine valuesAll trigonometric functions starting from the unit circlePolygonal sinusoidSine function of regular polygonsCompare cosine(pi/2+x),sin(pi/2+x),cos(pi+x),sin(pi+x) with sinx and cosx codTrigonometric ratios the right triangle(in animation)Principal angles in the unit circleCosine and sine subtraction formulasCosine and sine addition formulassin(a+b)= sina cosb+ sinb cosa (addition formula)Sine and cosine are out of phase by 90 °The unit square for trigonometryTrigonometric functionsTrigonometry and photographyAn equilateral triangle in a square for the exact trigonometric valuescosh(x),sinh(x) and tanh(x)From cosine and sine to arccosine and arcsineMeasuring a height by two methodsHow to trace cosine function?How to trace sine function?The unit circle and the main angle measurePolygonaloid curveSplit angles in the unit circleUnit circle and simplified anglesPlace angles in radian on the unit circle(interactive and evaluable applet)Euler and polar coordinates in trigonometric circleExact Values on the Unit Circle (radians and degrees)Applied trigonometryApplied trigonometry: the larger of the riverUnit Circle to Sine and Cosine FunctionsParticular angles, sine and cosineCut a cylinder to get a sine functionSupplementary cosinusesSupplementary sinusesEuler's formulasIntegral of sin²(x) (......cos²(x))cos²(x)+sin²(x)=1 viewed by trigonometric functionsEuler formula e^(it) = cos(t)+ i sin(t)Unroll the unit circle to obtain a trigonometric coordinates systemSine and cosine are orthogonal 2D projections of the 3D unit helixTrigonometric segments in the unit circleTrigonometric ratios in circle and triangleTrigonometric relations with a right triangleDerivative of sine by geometric view(part 1)Unroll the unit circleAll trigonometric functions from the unit circleTrace of the tangente functionTrace of sine and cosine functionTrigonometric protractorThe sine of a sum view by inscribed angles
