What is the value of ( begin{vmatrix}sin^2 a & sina , cosa & cos^2 – McqOptions

MCQOPTIONS

1.	What is the value of ( begin{vmatrix}sin^2 a & sina , cosa & cos^2 a sin^2 b & sinb , cosb & cos^2 b sin^2 c & sinc , cosc & cos^2 c end {vmatrix} )?
A.	-sin(a b) sin(b c) sin(c a)
B.	sin(a b) sin(b c) sin(c a)
C.	-sin(a + b) sin(b + c) sin(c + a)
D.	sin(a + b) sin(b + c) sin(c + a)
Answer» B. sin(a b) sin(b c) sin(c a)

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