Without using trignometery tables find value of , cos70/sin20+cos57.cosec33 - 2cos60

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

In the diagram of circle o, what is the measure of zabc?

Alex's monthly take home pay is $2,500. what is the maximum bad debt payment he can maintain without being in credit overload?