Trigonometric Functions: Soh-Cah-Toa: shows how to relate the sides of a right triangle using the hypotenuse, adjacent and or opposite sides

Sine, Cosine, Tangent, explained and with Examples and practice identifying opposite, adjacent sides and hypotenuse

Trigonometric Hand Trick This is an easy way to remember the values of common values of trigonometric functions in the first quadrant.

Trigonometric Hand Trick This is an easy way to remember the values of common values of trigonometric functions in the first quadrant.

WHAT ARE THE SIX FUNDAMENTAL TRIGONOMETRIC RATIOS? Trigonometric formulas are the six basic trigonometric ratios which establish the ratios of the lengths of the sides with each other in a right angled triangle.  the three fundamental trigonometric ratios as sin, cos and tan, which their reciprocal trigonometric ratios cosec, sec and cotan are derived trigonometric ratios.

WHAT ARE THE SIX FUNDAMENTAL TRIGONOMETRIC RATIOS? Trigonometric formulas are the six basic trigonometric ratios which establish the ratios of the lengths of the sides with each other in a right angled triangle. the three fundamental trigonometric ratios as sin, cos and tan, which their reciprocal trigonometric ratios cosec, sec and cotan are derived trigonometric ratios.

Part of hypotenuse Altitude Altitude Other part of hyp. = Cos A⁰ = Tan A⁰ = A Sin A⁰ = Special Right Triangles Geometry Fo...

Part of hypotenuse Altitude Altitude Other part of hyp. = Cos A⁰ = Tan A⁰ = A Sin A⁰ = Special Right Triangles Geometry Formula Sheet Area Formulas Shapes)…

Trigonometry Study Flash Cards - This small set of 18 cards provides a quick reference of basic trigonometric information for the math student. Each card (but one) shows an angle with its degree and radian value, its location on the unit circle, the reference angle, and the sin, cos, and tan value of the angle.    The mnemonic "All Students Take Calculus" is represented behind the unit circle with the letters A, S, T, and C to remind students which quadrant specific trig values are positive.

Trigonometry Study Flash Cards - This small set of 18 cards provides a quick…

Trigonometric Identities

Lists the basic trigonometric identities, and specifies the set of trig identities to keep track of, as being the most useful ones for calculus.

A pixelized christmas tree made via Microsoft Excel vba  If Sin(Cos((y / 2) ^ 2 - (x - 50) ^ 2)) * y / 2 > Cos(Sin((x - 50) ^ 2 - (y / 2) ^ 2)) Then Condition = TRUE (x=col nr, y=row nr; if condition = TRUE, cell is colored in green)

A pixelized christmas tree made via Microsoft Excel vba If Sin(Cos((y / 2) ^ 2 - (x - 50) ^ 2)) * y / 2 > Cos(Sin((x - 50) ^ 2 - (y / 2) ^ 2)) Then Condition = TRUE (x=col nr, y=row nr; if condition = TRUE, cell is colored in green)

Visualization of Euler's formula (e^ix) = cos(x)+i sin(x)

Visualization of Euler's formula (e^ix) = cos(x)+i sin(x). (Only in here because it reminds me of the low frequency tones produced by a long skipping rope, and it's a neat animation).

Mathematical Dance moves

A collection of social dance comics. Another Reason to Learn the Reverse Dances? Math Line Dance, Anyone? Off-Site Social Dance Comics Only in the Bay Area Dancing Through Life Revolution Wh…

Visualization of Euler's formula (e^ix) = cos(x)+i sin(x)

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WHAT ARE THE MOST IMPORTANT TRIGONOMETRIC IDENTITIES? The three Pythagorean trig identities 1.Sin2α + Cos2α = 1 2.Sec2α – tan2α = 1, Sec2α =  1+ tan2α 3. Cosec2α – cotan2α = 1, Cosec2α = 1+ cotan2α 6.Trig identities of compound angles 1. sin (A + B) = sinAcosB + cosAsinB 2. sin (A – B) = sinAcosB – cosAsinB 3. cos (A + B) = cosAcosB – sinAsinB 4. cos (A – B) = cosAcosB + sinAsinB 5.Tan(A + B) = (sinAcosB + cosAsinB)/(cosAcosB – SinAsinB) 6.Tan(A – B) = (sinAcosB – cosAsinB)/(cosAcosB…

WHAT ARE THE MOST IMPORTANT TRIGONOMETRIC IDENTITIES? The three Pythagorean trig identities 1.Sin2α + Cos2α = 1 2.Sec2α – tan2α = 1, Sec2α = 1+ tan2α 3. Cosec2α – cotan2α = 1, Cosec2α = 1+ cotan2α 6.Trig identities of compound angles 1. sin (A + B) = sinAcosB + cosAsinB 2. sin (A – B) = sinAcosB – cosAsinB 3. cos (A + B) = cosAcosB – sinAsinB 4. cos (A – B) = cosAcosB + sinAsinB 5.Tan(A + B) = (sinAcosB + cosAsinB)/(cosAcosB – SinAsinB) 6.Tan(A – B) = (sinAcosB – cosAsinB)/(cosAcosB…

I love how interactive journaling helps you learn and study using whatever methods work best for you, and helps get your creativity out.  Here's a page I made with a unit circle with a spinning window on a brad that shows the sin, cos, and tan of each common angle.    I haven't taken geometry since 8th grade, (16yrs ago?), but I use some of the formulas often enough.

I love how interactive journaling helps you learn and study using whatever methods work best for you, and helps get your creativity out. Here's a page I made with a unit circle with a spinning window on a brad that shows the sin, cos, and tan of each common angle. I haven't taken geometry since 8th grade, (16yrs ago?), but I use some of the formulas often enough.

Addition and Subtraction Formulas for Sine and Cosine Formulas for sin(α - β) and cos(α - β)

Addition and Subtraction Formulas for Sine and Cosine: In a right triangle with legs a and b and hypotenuse c, and angle alpha opposite side a, the trigonometric functions sine and cosine are defined as sin(alpha) = a/c, cos(alpha) = b/c

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