Math, asked by vikashsinghvikash125, 1 month ago

Solve the following determinant :
1 x y
0 cos x sin y
0 sin x cos y​

Answers

Answered by sparshb21
2

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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