Cos^-1(-1/2) write the principal value of this
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Answered by
1
Answer:
cos^-1(-1/2)
= π-cos^-1(1/2)
=π-π/3
=2π/3
Step-by-step explanation:
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Answered by
0
Answer:
Step-by-step explanation:
(cos-1/2)
cos3/4 pie or
cos(-pie/3)
principle value=2pie-pie/3=3/4pie
which is with in the limit 0 and pie
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