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As $θ$ increases from 0° to 90°, the value of cos $θ$ :

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increases

decreases

remains constant

first decreases then increases

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detailed solution

Correct option is B

As x varies from 0 to π/2 value of cos x varies from 1 to 0

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As θ increases from 0° to 90°, the value of cosθ:

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As $θ$ increases from 0° to 90°, the value of cos $θ$ :