How can I understand the signs of trigonometric functions?

You can check the answer of the people under the question at Quora “add sugar to coffee trigonometry“

How can I understand the signs of trigonometric functions?

You can check the answer of the people under the question at Quora “add sugar to coffee trigonometry“

Just remember this line:

Add Sugar To Coffee.

“Add” stands for All, i.e, all trigonometric functions have positive value in first quadrant.

“Sugar” stands for Sine, i.e, sine and its reciprocal cosecant is positive in 2nd quadrant and all other have negative values.

“To” stands for tangent, i.e, tangent and its reciprocal cotangent is positive in the 3rd quadrand and all other are…