A:40πcm2
B:65πcm2
C:80πcm2
D:105πcm2
根据下面的两幅图片,可以得知( )
— Would you like to fly a ____ with me?
— Sorry, I can't. I have to do my ____.
求满足下列条件的锐角θ的度数(精确到0.1°):
(1)sinθ=0.1426;
(2)cosθ=0.7845.