Wyrażenia doprowadź do najprostszej psotaci.
: 1 gru 2011, o 17:22
\(\displaystyle{ \left( 1 + \sin \alpha \right) \left( 1 - \sin \alpha \right) =}\)
\(\displaystyle{ \sin ^ {2}\alpha \cdot \cos \alpha + \cos ^ {3}\alpha =}\)
\(\displaystyle{ \frac{ \sin ^ {2}\alpha }{1 - \cos \alpha} =}\)
\(\displaystyle{ \frac{ \cos ^ {2}\alpha}{1 + \sin \alpha} =}\)
\(\displaystyle{ 1 + \tg ^ {2} \alpha =}\)
\(\displaystyle{ \left( \sin \alpha + \cos \alpha \right) ^{2} + \left( \sin \alpha + \cos \alpha \right) ^{2} =}\)
\(\displaystyle{ \sin ^ {2}\alpha \cdot \cos \alpha + \cos ^ {3}\alpha =}\)
\(\displaystyle{ \frac{ \sin ^ {2}\alpha }{1 - \cos \alpha} =}\)
\(\displaystyle{ \frac{ \cos ^ {2}\alpha}{1 + \sin \alpha} =}\)
\(\displaystyle{ 1 + \tg ^ {2} \alpha =}\)
\(\displaystyle{ \left( \sin \alpha + \cos \alpha \right) ^{2} + \left( \sin \alpha + \cos \alpha \right) ^{2} =}\)