State for any acute angle θ whether cos θ increases or decreases as θ increases - Mathematics
State for any acute angle θ whether cos θ increases or decreases as θ increases.
For acute angles, remember what cosine means: base over hypotenuse. If we increase the angle, then the hypotenuse side gets larger. That means "base/hypotenuse" gets smaller or decreases.
Concept: Trigonometric Equation Problem and Solution
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