Grade 12Trigonometry
If A + B + C= 0 , then the value ofSin^2 A + cos C (cos A cos B – cos C) + cos B (cos A cos C– cos B) =
1 Answer
Saurabh Koranglekar
Dear student
There is no restriction that A is not equal to B not equal to C kindly assume 0 and solve
0 + 1(1-1)+1(1-1) = 0
There is no restriction that A is not equal to B not equal to C kindly assume 0 and solve
0 + 1(1-1)+1(1-1) = 0
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