10. (97-7-54) Упростите выражение
[tex] \frac{ \sin(56) \times \sin(124) - \sin(34) \times \cos(236) }{ \cos(28) \times \sin(88) + \sin(178) \times \cos(242) } [/tex]
[tex] \frac{ \sin(56) \times \sin(124) - \sin(34) \times \cos(236) }{ \cos(28) \times \sin(88) + \sin(178) \times \cos(242) } [/tex]
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