borelhenoc borelhenoc

20-09-2020
Mathematics

contestada

In which quadrant do sin and cos have the same sign?

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judithjoyceudan38 judithjoyceudan38

20-09-2020

Answer:

Trigonometric functions sine and cosine are both positive in first quadrant but in third quadrant both are negative. Hence in these two quadrants they have same sign.

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