Find the solution sin Y = cos ( Y + 20° )

Albarellak 2021-03-07 Answered
Find the solution sinY=cos(Y+20°)
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Expert Answer

Obiajulu
Answered 2021-03-08 Author has 98 answers

In a right triangle the two acute angles add up to 90. This means that the cosine of one angle is the sine of the other. So Y+Y+20=90,2Y=70,Y=35. There are other solutions but both the angles will not be acute.

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