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Sedaia [141]
2 years ago
14

Please help! check attachment. This is grade 11 trigonometry

Mathematics
1 answer:
IgorLugansk [536]2 years ago
4 0

~~~~~~~\tan \theta = \dfrac{\text{Perpendicular}}{\text{Base}}\\\\\\\implies \tan B = \dfrac{AC}{BC}\\\\\\\implies \tan 40^{\circ} = \dfrac{10}{a}\\\\\\\implies a = \dfrac{10}{\tan 40^{\circ}}\\\\\\\implies a= 11.9~ m

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Evaluate <br> (-315) ×4<br> with the correct explaination
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\Large\textsf{\textbf{Answer\::}}

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\large\textsf{\textbf{Calculations\;:}}

First , take a look at the signs of the numbers we're asked to multiply .

One of them is negative , and the other one is positive .

If we have a negative number times a positive number , the product is a positive number .

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\footnotesize\text{hope\:helpful~}

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