Easy way to remember the positives and negatives of the trigonometric functions on a graph
Subject:
Trigonometry [1]
All you have to remember is " All Students Take Calculus"
Stating from the first quad, its A for I, S for II, T for III, and C for IV.
the acronyms stand for which of the functions are positive.
A stands for all, all the functions are positive
S stands for Sin, Only sin and csc are positive, rest are negative
T stands for Tan, Only tan and cot are positive, rest are negative
C stands for Cos, Only cos and sec are positive, rest are negative