21-01-2021
Mathematics

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What is the Cos (A) in triangle ABC?

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10 10
26 26
24 24

What is the Cos A in triangle ABC 10 10 26 26 24 24 class=

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stephgonzalez2 stephgonzalez2

21-01-2021

Answer:

while using the law of sines I got

sin90/26=sinA/24

24sin90/26=sinA

sin^-1(24sin90/26)=(sinA)sin^-1

=67.380135052

But in this case it ask for the side which is 24 because it is across the angle A

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