If
sinθ=√(5/9)
Without using a calculator,
find the value of :
a) cosθ
b) tan²θ/ sinθ
(Express your answer in surd form)
收錄日期: 2021-05-01 16:02:24
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080315000051KK01271