Solve the following determinant :
1 x y
0 cos x sin y
0 sin x cos y
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Answer:
cos x cos y - sin x sin y
The required determinent will be :
| 1 x y I
| 0 cos x sin y |
| 0 sin x cos y |
= 1(cos x cos y -sin x sin y) -0 + 0
= cos x cos y - sin x sin y
ANSWER.
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