There are four quadrants and ASTC techniques helps you remember if a trigonometric function is positive or negative in each quadrant. ADD - All (Sin, Cos, Tan) are positive SUGAR - Sin is positive ...

with more added each year. Screenshot of the output of the basic rotating dots example using CSS. Unlike the JavaScript version of the CSS trigonometric functions, the CSS functions accept both ...

Therefore since the trig equation ... angle from the 1st quadrant, so to find the second solution, we need to use the rule in the 2nd quadrant. From the graph of the function, we can see that ...