Introduction:
Trigonometric Equations: The equations, containing at least one trigonometric function, are called Trigonometric Equations,e.g., each of the following is a trigonometric equations:
Trigonometric Equations: The equations, containing at least one trigonometric function, are called Trigonometric Equations,e.g., each of the following is a trigonometric equations:
sin x = 2/5 , sex x = tan x , sin²x - sec x + 1 = 3/4
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