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Use the unit circle to find the value of sin 3(pi)/2 and cos 3(pi)/2

Q. Find the domain of the function y=√(2-√x) .

Q. Choose the correct answer.

Q. The vertex of parabola y=(-1)/2x2-x+4 is

a. (1,9/4)

b.( -1,9/4)

c. (9/2, -1)

d. (9/2, 9/2)

Q. The vertex of parabola y=(-1)/2x2-x+4 is

a. (1,9/4)

b.( -1,9/4)

c. (9/2, -1)

d. (9/2, 9/2)

The circle below represent the amount of fruit produced by a farmer.if 0 is the center of the circle and the 3 angles at 0 are equal, what fraction of the fruit produced were orange

a^3sin(B-C) +b^3sin(C-A) +c^3sin(A-B) =0

Solve triangle ABC given AB=16cm ,AC=23cm and BC=21cm

Solve triangle ABC given that:A=60° ,AB=12,2cm and BC=14,5.

If a triangle is equilateral, then the 3 medians are of equal length. Conversely if 3 medians of a triangle are of equal length, then the triangle is equilateral, prove.

Cos3© is equivalent to

If a triangle is isosceles then the two median towards that equal sides are of equal length. Conversely if 2 medians of a triangle are equal in length, the triangle is isosceles. Prove.