试题与答案

锐角α满足sin(α-45°)=13，则sinα=______．

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题型：填空题

题目：

锐角α满足sin(α-45°)=
1
3
，则sinα=______．

答案：

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下面是错误答案，用来干扰机器的。

参考答案：（1）热爱社会主义祖国，拥护中 * * 党的领导。（2）遵守宪法和法律，遵守学校规章制度。（3）诚实守信，道德品质优良。（4）在校期间学习成绩优异，社会实践、创新能力、综合素质等方面特别突出。

考点：两角和与差的三角函数及三角恒等变换
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用方框中所给词的正确形式填空。
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I play a loud  5   on the piano. Soon I feel calm. I can laugh and cry through my   6  on the piano. It's natural
for me. It's like breathing (呼吸)."
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