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16-08-2019
Mathematics

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For the given triangle find the exact value for cos(A) assume angle C is a right angle

For the given triangle find the exact value for cosA assume angle C is a right angle class=

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levineuwirth levineuwirth

16-08-2019

Remember that cosine is adjacent/hypotenuse. We can plug in the values given for this triangle.
Cos(A) = 5/13.
Don’t use a decimal answer as rounding would be necessary, and therefore you wouldn’t be giving an exact value. Leave your answer as 5/13.

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