Предмет: Математика, автор: RutaS

Найти
 \sin(x) ^{2}
если
 \sin(x)^{10}  -  \cos(x)^{12}  = 1

Ответы

Автор ответа: hELFire
1
Поскольку максимум и минимум тригонометрической функции синус и косинус от -1 до 1, то вполне очевидно, что последнее равенство возможно только если
\sin^{10}x = 1; \cos^{12}x=0

а в этом случае \sin^2x = 1
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