If cot s= -1/3
then tan s = -3/1
construct a triangle, by Pythagoras, the hypotenuse is √10 , and in the 4th quad, the sine is negative, so
sin s = -3/√10
find sin s
when cot s= -1/3, s in quadrant 4
1 answer
when cot s= -1/3, s in quadrant 4
1 answer
3 answers
1 answer
1 answer
1 answer