If the cos 0° is 1, then the sin °= . 90° ; 1 over 2
0° ; square root 2 over 2
90° ; 1
0° ; 1

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Solve by any method (graphing, substitution or linear combination)y = x - 82x + 3y = 1a) (2, -6)b) (5, -3)c) (4, -4)d) (0, -8)i figured it out. the answer is (5, -3)

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?