Show that tan (45°) = 1
1 answer:
Answer:
Geometric proof in the explanation.
Step-by-step explanation:
Draw a square. A square has all equal sides and it's 4 angles each measure 90 degrees.
Draw a diagonal which will cut the square into two congruent isosceles right triangles.
So this will give you a 45-45-90 triangle.
I drew the triangle in the picture.
Tangent is opposite over adjacent so we don't need to find the hypotenuse in terms of a ( a is positive).
So tan(45)=a/a=1.
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Draw 1/7 boxes to represent 1/7 groups.
Assume 5 as the number which represents the total of these 1/7 groups.
Put a question mark at the first box.
Attached is the model to represents 5 divide 1/ 7 .
5/(1/7)
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35
In the question mark we should put 35.
learn more of model here
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