JEE MAIN - Mathematics Hindi (2019 - 8th April Morning Slot - No. 6)
माना $$A = \left( {\matrix{
{\cos \alpha } & { - \sin \alpha } \cr
{\sin \alpha } & {\cos \alpha } \cr
} } \right)$$, ($$\alpha $$ $$ \in $$ R)
ऐसा है कि $${A^{32}} = \left( {\matrix{ 0 & { - 1} \cr 1 & 0 \cr } } \right)$$, फिर $$\alpha $$ का एक मान है
ऐसा है कि $${A^{32}} = \left( {\matrix{ 0 & { - 1} \cr 1 & 0 \cr } } \right)$$, फिर $$\alpha $$ का एक मान है
0
$${\pi \over {16}}$$
$${\pi \over {32}}$$
$${\pi \over {64}}$$
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