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leva [86]
3 years ago
9

Please help me out with these questions, ❤️☢️⬅️⬅️☣️⬅️✖️❌❎❎❎❌️️ℹ️⚫▫️▫️▫️​

Mathematics
1 answer:
natta225 [31]3 years ago
5 0

Hi there! Thanks for your questions ;)

The answers are quite easily, go through the steps below so that you can catch it up yourself!!

<h3>a) </h3>

= \rm{sin (x) = \dfrac{9}{20}}

= \rm{0.45}

= \rm{x = arcsin(0.45)}

<h3>= \rm{26.74 \: degrees}</h3>

<h3>(b) </h3>
  • here, h is height.

= \rm{h = 20 \times cos(x)}

= \rm{20 \times cos(26.74)}

<h3>= \rm{ 17.86 \: m}</h3>

<em>Hope it is helpful! </em>

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