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MrRissso [65]
3 years ago
15

The button on Sam's calculator that calculates the sine of an angle is broken.

Mathematics
1 answer:
Galina-37 [17]3 years ago
3 0
Tan 18 = opposite side/adjacent side

0.3249 = 4/adjacent side

and adjacent side = 4/0.3249 = 12.31

Now let's apply Pythagoras to find x

4² + 12.31² = x²
16 + 151.55 = x²   and x² = 167.55 
Then x = √167.55 and x = 12.94 ≈ 13

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