Asked by Tina
Verify the Identity:
sec(x/2)=the square root of (2 tanx/(tanx sinx))
sec(x/2)=the square root of (2 tanx/(tanx sinx))
Answers
Answered by
Reiny
cannot be verified since it is not true.
All we need is one example where it does NOT work
e.g. let x = 60
LS = sec (30) = 1.1547
RS = √(2(1.7321)/((1.7321)(.5))
= √4 = 2
LS ≠ RS, so no identity
All we need is one example where it does NOT work
e.g. let x = 60
LS = sec (30) = 1.1547
RS = √(2(1.7321)/((1.7321)(.5))
= √4 = 2
LS ≠ RS, so no identity
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