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# A level trigonometry notes pdf

Level 1 Trigonometry Trigonometry is mostly about following a set of rules, which need to be memorised properly before anything else is attempted. The steps for any trigonometry problem are always the same: 1. Find a right angle triangle to solve. 2. Name the sides using the conventions, given below. 3..

How To Learn Trigonometry Intuitively Trig mnemonics like SOH-CAH-TOA focus on computations, not concepts: TOA explains the tangent about as well as x 2 + y 2 = r 2 describes a circle. Sure, if you're a math robot, an equation is enough. The rest of us, with organic brains half-dedicated to vision processing, seem to enjoy imagery.

7.1 Trigonometry basics Although you are likely to have studied some trigonometry, it may be helpful to review a few basic ideas. Naming the sides of a right-angled triangle The hypotenuse is the longest side of the right-angled triangle and is always opposite the right angle (90 ). The opposite side is directly opposite the angle ..

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