B 30°
Which trigonometric ratios are correct for triangle
ABC? Select three options,
sin(C) =
V3
2
18
60°
cos(B) =
V2
tan(C) = 3
sin(B) = {
3 tan(B) = 2/3

the answer is d. 75%

solution:

→c= a b , that is product of a and b is possible only when when a is m × n matrix and b is n × p matrix.

that is, number of columns of a= number of rows of b.

so, size of matrix , c= a b is , if a = (m × n)matrix

b= (n × p)matrix

then a b = [ (m × n)matrix] ×[   (n × p)matrix ]

→→c= a b= [m × p ] matrix

→→size of product a b will be equal to = number of rows of a × number of columns of b

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).

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step-by-step explanation: