Which is the best estimate of StartFraction 90 over 7 EndFraction divided by 1 and three-fourths? 2 6 12 24

Given (1+cosx)/(sinx) + (sinx)/(1+cosx) =4, find a numerical value of one trigonometric function of x. a. tanx=2 b. sinx=2 c. tanx=1/2 d. sinx=1/2

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

(10. in the figure, a aabc is drawn tocircumscribe a circle of radius 3 cm ,such thatthe segments bd and dc are respectively oflength 6 cm and 9 cm. find the length ofsides ab and ac.