kyviibes3 kyviibes3

04-06-2019
Mathematics

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Find delta to the nearest tenth ! Help , thank you !

Find delta to the nearest tenth Help thank you class=

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LammettHash LammettHash

04-06-2019

[tex]\Theta[/tex]/[tex]\theta[/tex] is "theta", not "delta" (which is [tex]\Delta[/tex]/[tex]\delta[/tex])

By definition of cosine,

[tex]\cos\theta=\dfrac{19}{23}\implies\theta=\cos^{-1}\dfrac{19}{23}\approx34.3^\circ[/tex]

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