Inverse Trig Functions, Quadratic Equations and Related Ideas
Prepared by:
Joseph Malkevitch
Department of Mathematics
York College (CUNY)
Jamaica, New York 11451
email:
malkevitch@york.cuny.edu
web page:
http://york.cuny.edu/~malk/
1.
f. tan ß where ß is a positive angle in quadrant II if sin ß = 7/10
g. sin ß where ß is a negative angle in quadrant IV and cos ß = 4/5
h. sec ß where ß is a positive angle in quadrant III if tan ß = 6/7
i. csc ß where ß is a positive angle in quadrant III if cos ß = -7/11
j. tan ß if ß is in quadrant II and ß = arcsin 3/8.
k. sin ß if ß is in quadrant III and ß = arctan ß = 2/3
2. Solve the following quadratic equations: (use factoring or the quadratic formula)
a. x2 -4x + 2 = 0
b. x2 -5x + 6 = 0
c. x2 +5x + 6 = 0
d. x2 -4x + 10 = 0