Use the Quadratic Formula to find all solutions of the equation in the interval [0, 2π). (Enter your answers as a comma-separated list. Round each answer to four decimal places.)
20 sin2(x) − 21 sin(x) + 4 = 0

d

step-by-step explanation:

d

answer

a,b, and d

explanation

a reflection angle is more than

but less than;

an angle that measures

is a reflex angle.(true)

an angle that measures less than

is acute.(true)

provided we are considering angles greater or equal to zero.

an acute angle lies in the range.

an obtuse angle is less than 180° but more than 90°

an angle that measures 300° is obtuse (false)

an angle that measures 65° is an acute angle.(true)

answer: he is 272195

step-by-step explanation: all you have to do is multiple 3535 and 77 and it equals 272195