Yes, but only for short periods of time.
I've heard that elephants use their ears and mud to cool off. hope that helped. XD
If the elephant is weak or injured or very young, then two to three tigers can bring down an elephant. If it is an healthy adult then NO tigers cannot.
First you gently show no fear and gently whisper its ok and when he stops moving gently rub their nose and whispher calmly to them .