Question 8 of 10
2 Points
Which of the following equations are identities? Check all that apply,

A. cot?x+ csc?x= 1
B. sin?x-cos?x= 1
C. sin²x = 1 - cos²x
D. tan²x = sec?x-1

10a^3+277a^2-132a-792

step-by-step explanation:

(2a+11)(5a-12)(foil)

=10a^2-24a+55a-132 =10a^2+31a-132

(10a^2+31a-132)(a+6)

=10a^3+60a^2+31a^2+186a^2-132a-792 =10a^3+277a^2-132a-792

i hope this is what you are looking for : )

{3 + i, 3 - i, 3, -1}

step-by-step explanation:

trapezoid

step-by-step explanation:

first i plotted all my points on a grid graph

i made sure all of them were in the correct quadrant

then i saw it was a trapezoid or a quadrilateral