可以么?7.(a) Find the angle that is complementary to 40°(b) Find the_其他解答

可以么?
7.(a) Find the angle that is complementary to 40°
(b) Find the angle that is supplementary to 75°

人气：325 ℃　时间：2020-06-08 22:50:50

解答

我猜第一个是求40度的全角.第二个是求75度的补角.于是怎么做就不记得了.

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