Questions tagged [trigonometry]

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BonsaiLife BonsaiLife Mon Oct 21 2024 | 5 answers 902

Why is cos always positive?

I'm confused about why the cosine function always gives positive values. I understand that cosine represents the adjacent over hypotenuse in a right triangle, but how does this ensure that the result is always positive?

Why is cos always positive?
WhisperEcho WhisperEcho Mon Aug 12 2024 | 7 answers 1740

How to get the cotangent?

Excuse me, could you please elaborate on how one might go about obtaining the cotangent of an angle in a mathematical or trigonometric context? I understand that the cotangent is a trigonometric function, but I'm curious about the specific steps or formulas involved in calculating it. Is there a straightforward way to derive the cotangent from other trigonometric functions, such as sine or cosine? Additionally, are there any real-world applications where the cotangent function plays a significant role? I'd appreciate any insights or guidance you could provide on this topic.

How to get the cotangent?

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