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trigonometric-functions

asked Jul 28, 2014 in TRIGONOMETRY by anonymous

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1 Answer

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From the diagram:

Adjecent = 7

Hypotenus =23

cosx =Adjecent/Hypotenus

cosx = 7/23=0.3043

x= cos^-1(0.3043)

=72.23

Option 4 is correct

answered Jul 28, 2014 by bradely Mentor

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