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  • 06-07-2020
  • Mathematics
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Triangles Very Easy PIC INCLUDED

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Space
Space Space
  • 07-07-2020

Answer:

sin30° and cos60°

Step-by-step explanation:

We can see that we can use multiply trig identities to solve for r:

sin30° = r/20

r = 20sin30°

cos60° = r/20

r = 20cos60°

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