Math Arguments

Problems, Questions, and Puzzles to spark discussion and argument in the maths classroom.

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Item 1705

Right Triangle Trig

\( sin(\theta) = \dfrac{274}{391} \)

What if the fraction were \( -\dfrac{274}{391} \)?

What do you know about the size of \( \theta \), compared to the common angles?

What other values of \( \theta \) are possible?

Sketch the triangle and find the value of \( \theta \).


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Strategy
T.R.Milne
GEOM

Source: T.R.Milne
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