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Mathematics
09.07.2021 17:34
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Please answer please both please

Please answer please both please
Please answer please both please
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legendman27
legendman27
4,7(35 marks)

see explanation

Step-by-step explanation:

(5)

Using the tangent ratio in the right triangle

tan ? = \frac{opposite}{adjacent} = \frac{17}{30}, thus

? = tan^{-1}(\frac{17}{30} ) ≈ 30° ( to the nearest degree )

(6)

Use any of the 3 trig ratios to solve.

Using the cosine ratio

cos ? = \frac{adjacent}{hypotenuse} = \frac{80}{82}, thus

? = cos^{-1}(\frac{80}{82} ) ≈ 13° ( to the nearest degree )

Lalagrl
Lalagrl
5,0(1 marks)

no

Step-by-step explanation:

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