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Cos^-1(cos 43°)
PLEASE HELP ME

User Rex Lam
by
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2 Answers

1 vote


\: \: \: \: \:


= \cos(1) \cos(43°) \\ \\ in \: \: alternate \: \: form \: \\ \\ = 0.395152

Explanation:


\cos( - 1) ( \cos(43°))

  • simplify the expression usiNg the symmetry of trigonometry


= \cos(1) \cos(43°) \\ \\ \\ or \: \: in \: \: alternate \: \: form \\ \\ = 0.395152

hope it helps

User Alex Popov
by
8.4k points
3 votes


\cos^(-1)(\cos 43^(\circ))=43^(\circ)\\\\\\\text{In radians,}~~ (43\pi)/(180)

User Andrei Lesnitsky
by
8.1k points

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