rdubhereiam
New member
1.) An arithmetic progression has 32 and 50 as its 10th and 16th terms, respectively. What is the third term?
2.) A solution to the equation 6 + 6 sin x=9 is given by x =
A) 30 deg ; B) 45 deg ; C) 60 deg ; D) 90d deg ; E) 120 deg
3.) If cosx = 3/4 and x is in the first quadrant, then cos(-x) =
A) 3/4 ; B) Sqrt7/7 ; C) -Sqrt 7/4 ; D) -1/4 ; E) -3/4
4.) Cos 3pi/4 = ????
2.) A solution to the equation 6 + 6 sin x=9 is given by x =
A) 30 deg ; B) 45 deg ; C) 60 deg ; D) 90d deg ; E) 120 deg
3.) If cosx = 3/4 and x is in the first quadrant, then cos(-x) =
A) 3/4 ; B) Sqrt7/7 ; C) -Sqrt 7/4 ; D) -1/4 ; E) -3/4
4.) Cos 3pi/4 = ????