e below cos^(-1)0=arccos 0 What is the arc which cosine is zero?: two posibilities 90=pi/2 and 270=3pi/2 This is assuming that cos^(-1) is the inverse of cosine. There is no missunderstanding if use arccos instead of cos^(-1) Because cos^(-1) is also understud as 1/(cos)=sec which is different
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Answer:
√1+cos 0+√1-cos 0=2cosec0
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√1-cos 0 1+cos 0
Step-by-step explanation:
e below cos^(-1)0=arccos 0 What is the arc which cosine is zero?: two posibilities 90=pi/2 and 270=3pi/2 This is assuming that cos^(-1) is the inverse of cosine. There is no missunderstanding if use arccos instead of cos^(-1) Because cos^(-1) is also understud as 1/(cos)=sec which is different
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5/24/2018
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Answer:
I think this will help you