Course Number 114 Plant Mathematics - Right Angle Trigonometry 8 hours of instruction  Format: Programmed Instruction Self-study Price: $25.25

Solving for unknowns in right triangles using the rules of trigonometry: recognition that a triangle has three sides and three angles; that a right angle contains 90deg.; that a right triangle must have one right angle; that the square of the hypotenuse equals the sum of the squares of the other two sides; and that the sum of the angles is 180deg.. Also covered are: the definition of the side opposite and the side adjacent to an angle; definition and use of sine, cosine, and tangent functions; and how to handle any triangle using rules of right angle trigonometry.

Prerequisites - A knowledge of basic mathematics and the ability to use tables of squares and square roots (Course Number 99).

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