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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 &

Posted: Wed Jul 13, 2022 8:07 pm
by answerhappygod
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)