Answer:

Step-by-step explanation:
1) cos(I)=IH/IG;


Answer:
There are no choices, but
can be changes in the following ways: multiplying the numerator and the denominator by the same amount, or dividing the numerator and denominator by the same amount.
Hope it helps <3
<em>Answer:</em>
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<em>This " / " means or, btw!</em>
<em>Step-by-step explanation:</em>
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<em>⇒Take square root.</em>
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<em> ± </em>
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<em> or </em>
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<em>Hope this helped you!</em>
I don’t know, I forgot how to solve problems like this, look it up