The population of Philadelphia, Pennsylvania, is about 1.5 × 106 people. The population of Moscow, Russia, is about 8 times grea
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Answer:
The Pythagorean identity states that
Using that we can rewrite the left denominator as:
Which can be factored as
The numerator we can expand as:
On the right hand side, let's multply numerator and denominator with (1 - sin t):
The total formula then becomes:
There you go... left and right are equal.
You must calculate the length of the segments.
Suppose segments AB and CD
Being A (m, n), B (p, q) C(r,s) and D(t,u)
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They are congruent if:
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Suppose segments AB and CD
Being A (m, n), B (p, q) C(r,s) and D(t,u)
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They are congruent if:
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