suszkoalex suszkoalex

26-10-2020
Mathematics

contestada

Find the exact value of Cosine (alpha minus beta) given sine (alpha) = negative four-fifths= and cos (beta) minus StartFraction 5 Over 8 EndFraction = for α in Quadrant III and ß in Quadrant II.

Respuesta :

31-10-2020

Answer:

Actual answer is [tex]\frac{15-4\sqrt{39} }{40}[/tex]

Step-by-step explanation:

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jane3455 jane3455

26-01-2021

Answer:

b

Step-by-step explanation:

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