The general equation for a sine wave is y = Asin(B(x-C)) + D, where A and B are positive. A sinusoidal wave is any curve that can be written using that formula. More »

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The phase shift formula for a trigonometric function, such as y = Asin(Bx - C) + D or y = Acos(Bx - C) + D, is represented as C / B. If C / B is positive, the curve moves right, and if it is negative, the curve moves lef... More »

The periods of the trigonometric functions sine and cosine are both 2 times pi. The functions tangent and cotangent both have a period of pi. The general formula for the period of a trigonometric function can be determin... More »

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The phase shift formula for a trigonometric function, such as y = Asin(Bx - C) + D or y = Acos(Bx - C) + D, is represented as C / B. If C / B is positive, the curve moves right, and if it is negative, the curve moves lef... More »

The derivative of the inverse sine of x with respect to x is 1/sqrt(1-x^2), where "sqrt" stands for square root. Inverse sine of x is sometimes written as arcsin(x). By definition, arcsin(x) = -iln(ix + sqrt(1-x^2)), whe... More »

www.reference.com Math Geometry Trigonometry

The period of the sine graph is 2pi. Sine graph oscillates between one and minus one with a period of 2pi. When x is a multiple of pi, sin(x) = 0. For x = pi/2, 5pi/2, etc, sin(x) = 1, and for x = 3pi/2, 7pi/2, etc, sin(... More »

The trigonometric functions sine, cosine and tangent calculate the ratio of two sides in a right triangle when given an angle in that triangle. To find the cosine of angle pi, you need graph paper. More »

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