capetty2003
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What is the exact value of cos(c + d), given sinc =24/25 for c in Quadrant II and cos d =-3/4 for d in Quadrant III?

-47/100

-1 3/100

21-24squareroot7/100
21
=24squareroot7/100

Respuesta :

D.    [tex]\frac{21 + 24\sqrt{7} }{100}[/tex]

xSoon

Answer:

The other person is correct.

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