Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 4 - No. 22)
In order to successfully apply trigonometry to a problem, what elements should be known?
The formulas for trigonometric functions.
The lengths of the sides of the triangle.
The angles within the triangle.
A well-labeled diagram.
Explanation
To solve, all elements have to be known.
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