Given sin A=-√3/2 and tan A >0, find cos A.
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1 answer:
Answer:
Below in bold.
Step-by-step explanation:
We have a right triangle here with the hypotenuse = 2 and the legs are 1 and √3.
If tan A > 0 then the opposite side to < A in the triangle is greater than the adjacent so the leg opposite angle A is √3 and the adjacent side = 1.
So cos A = adj/hyp = 1/2.
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Step-by-step explanation:
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The coefficient is what the variable is attached to so it is 10.
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