If f(x)=\begin{bmatrix} cosx & -sinx & 0 \\ sinx & cosx & 0 \\ 0 & | Filo

Class 12

Math

Algebra

Determinants

597
150

If and , then is equal to

Solution: Consider,       ....(1)

or,

.....(2)

....(3)

Substitute the values from (2) and (3) in (1), we get

597
150

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