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Write 2 sine and 2 cosine equations for the triangle ABC. You don’t need to solve for x & y.

Write 2 sine and 2 cosine equations for the triangle ABC. You don’t need to solve-example-1

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In this case, we'll have to carry out several steps to find the solution.

Step 01:

Data:

diagram (triangle)

Step 02:

trigonometry:

1. equations:

opposite = y

adjacent = x

hypotenuse = 7

angle = 24°

sin θ = opposite / hypotenuse

sin 24 = y / 7

cos θ = adjacent / hypotenuse

cos 24 = x / 7

2. equations:

opposite = x

adjacent = y

hypotenuse = 7

angle = 66°

sin θ = opposite / hypotenuse

sin 66 = x / 7

cos θ = adjacent / hypotenuse

cos 66 = y / 7

That is the full solution.

User Nock
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