As the tangent is a straight line, the equation of the tangent will be of the form \(y = mx + c\). We can use perpendicular gradients to find the value of \(m\), then use the coordinates of P to find ...
Interactive macro-enabled MS-Excel spreadsheet. Contents: Solve 1-step equations involving graphs of the sin x function. Solve 1-step equations involving graphs of the cos x function. Solve 1-step ...
A complete lesson on the graphs of sine, cosine and tangent outside the range 0 to 360 degrees. I’ve also made complete lessons on these functions in the range 0 to 360 degrees. Designed to come after ...
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