Which of the following is an identity? O A. (1 - 2sin2x)csc?x= 4cos2x-2
B. sinx - cosx+1 = tang
C. sin?x cot2x + cos2xtan?x=1
D. tan2x + cotx=1
SUBMIT

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?

Find the solutions for a triangle with a =16, c =12, and b = 63º

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!