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the derivative of secant x is secant tangent x the derivative of sine x is cosine x the derivative of cosecant x is negative cosecant cotangent x the derivative of tangent x is secant squared x the derivative of cosine x is negative sign x the dervative of cotangent x is negative cosecant squared x the derivative of lnx is one over x the derivative of log x base ten is one over x ln b the derivative of b to the x is b to the x lnb the derivative of e to the x is e to the x what is the double angle formulas for sine x? sine of 2x equals 2 sin x cosine x what is the double angle formula for cosine x? cosine 2x equals cosine squared x minus sine squared x what is the formula for a circle, its center, and its radius? x minus h squared plus y minus k squared equals r squared with center at h k and radius r what is the binomial theorem and what's another name for it? what is the soh kuh toa for the inverse trig functions? cho sha tao what is the law of sines? sine of A all over A equals sine of B all over B equals sine of C all over C what is the law of cosines? C squared equals A squared plus B squared minus 2 A B cosine C what is the addition formula for sine? sine of x plus y equals sine x cosine y plus cosine x sine y what is the subtraction formula for sine? sine of x minus y equals sine x cosine y minus cosine x sine y what is the addition formula for cosine? cosine x cosine y minus sine x sine y what is the subtraction formula for cosine? cosine x minus y equals cosine x cosine y plus sine x sine y what is the cosine and sine of 30 degrees? radical three over two and one half what is the cosine and sine of 45 derees? both radical two over two what is the cosine and sine of 60 degrees? one half and radical three over two how do the graphs of x squared and x to the fourth compare? Which areas are more or less than the original how do the graphs of x cubed and x to the fifth compare? which areas are more or less than the original what does the graph of lnx look like and the graph of its inverse? what does the base of a logarithm do to the graph? If the base is larger than e, it compresses the graph verticaly. If the base is smaller than e, it stretches the graph vertically how does the base of an exponential function affect the graph? As the base approaches infinity it stretches up. As the base aproaches one the graph flattens. As the base approaches zero it stretches vertically what is the derivative of arcsine x? one over the square root of 1 minus x squared what is the derivative of arccosine x? negative one over the square rood of one minus x squared what is the derivatve of arctangent x? one over one plus x squared what's another way of writing log base b of x? lnx over lnb