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26-02-2021
Mathematics

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What is the reason for step 7 in the proof above?

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indyiafuller2024 indyiafuller2024

26-02-2021

In step 7:BAE, AE=csinB The answer is definition of sine in right triangle. Because, In a right angles triangle, the sine of an angle is equal to the length of the opposite side divided by hypotenuse.

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