Signs of the trigonometric functions in the 4 quadrants

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Name


Signs of the trigonometric functions in the 4 quadrants
Function I II III IV
[math]\sin\,[/math] [math]+\,[/math] [math]+\,[/math] [math]-\,[/math] [math]-\,[/math]
[math]\cos\,[/math] [math]+\,[/math] [math]-\,[/math] [math]-\,[/math] [math]+\,[/math]
[math]\tan\,[/math] [math]+\,[/math] [math]-\,[/math] [math]+\,[/math] [math]-\,[/math]
[math]\cot\,[/math] [math]+\,[/math] [math]-\,[/math] [math]+\,[/math] [math]-\,[/math]
[math]\sec\,[/math] [math]+\,[/math] [math]-\,[/math] [math]-\,[/math] [math]+\,[/math]
[math]\csc\,[/math] [math]+\,[/math] [math]+\,[/math] [math]-\,[/math] [math]-\,[/math]



Usage

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