Sue read 125 pages. Sal read 128 pages. Steve read 122 pages. What is the average number of pages that the students read

What basic trigonometric identity would you use to verify that sin x cos x tan x =1-cos^(2)x?

(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.

Prove that 16^4-2^13-4^5 is divisible by 11.