三角函数百度了解三角函数，指数函数与对数函数根据自身学过的函数选择功能验证Serial115200SerialprintlnSIN30SerialprintlnSIN30dm9pZCBzZXR1cCgpewogIFNlcmlhbC5iZWdpbigxMTUyMDApOwogIFNlcmlhbC5wcmludGxuKChzaW4oMzAgLyAxODAuMCAqIDMuMTQxNTkpKSk7CiAgU2VyaWFsLnByaW50bG4oKHNpbigzMCAvIDE4MC4wICogMy4xNDE1OSkpKTsKfQoKdm9pZCBsb29wKCl7CiAgLy/kuInop5Llh73mlbAKICAvL+eZvuW6puS6huino+S4ieinkuWHveaVsO+8jOaMh+aVsOWHveaVsOS4juWvueaVsOWHveaVsAogIC8v5qC55o2u6Ieq6Lqr5a2m6L+H55qE5Ye95pWw6YCJ5oup5Yqf6IO96aqM6K+BCgp9