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In right triangle ABC with B = 90 , we have sin A = 2 cos A. What is sin A?

 May 26, 2021
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A is less than 90 degrees

 

sin A = 2 cos A

sinA / CosA = 2

tanA = 2 

 

Arctan (2 ) = A = 63.43 degrees

 May 26, 2021

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