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Aleksandr-060686 [28]
4 years ago
10

If cosθ=40/41,find sinθ,cotθ,secθ

Mathematics
1 answer:
fgiga [73]4 years ago
6 0
Hello. 

Angle Theta is equal to: x² + y² = r² OR r = \sqrt{ x^{2} + y^{2} }

40² + y² = 41²
1600 + y² = 1681
-1600        -1600
y² = 81
y = 9

x = 40, y = 9, r = 41

<span>cos θ= </span>\frac{x}{r} = \frac{40}{41}

sin θ = \frac{y}{r} = \frac{9}{41}
cot θ = \frac{x}{y} = \frac{40}{9}
sec θ = \frac{r}{x} =  \frac{41}{40}

Hopefully it makes sense! :)
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