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Question
secondary 3 | A Maths
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Date Posted: 7 years ago
Views: 662
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Use trigonometric identity. Solve for quadratic in tan x. But no range of x is given, so it is solved up to basic angle. Some possible values of x based on the basic angle are given there. note that x can also be negative if the range allows it.
Date Posted:
7 years ago
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