To solve a trigonometric equation, we need the following preliminary knowledge: If sin θ = sin α \sin \theta = \sin \alpha sin θ = sin α, then θ = n π + (− 1) n α \theta=n\pi+(-1)^{n}\alpha θ = n
sinθ = sin(θ ± 2kπ) There are similar rules for indicating all possible solutions for the other trigonometric functions. Solving trigonometric equations requires the same techniques as
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To figure out this mathematic question, you need to use the order of operations.
One way to think about math problems is to consider them as puzzles. To solve a math problem, you need to figure out what information you have.
Know how to solve basic trig equations. There are 4 types of basic trig equations: sin x = a ; cos x = a; tan x = a ; cot x = a; Solving basic trig equations proceeds by studying the various positions of the arc x on
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