3 years ago

40 points: how do u calculate this and what is sin, cos and what is the formula

Mathematics

1 answer:

dlinn [17]3 years ago

3 0

Answer:

Step-by-step explanation:

sin∅ = opposite side over hypotenuse

cos∅ = adjacent side over hypotenuse

To find x, there are multiple ways:

tan72° = 6/x

x = 6/tan72°

cos72° = x/15

15cos72° = x

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