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Cos s=-2/5 and sin t=4/5, s and t are in quadrant II find cos(s+t) and cos(s-t) No spam!​
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Cos s=-2/5 and sin t=4/5, s and t are in quadrant II

find cos(s+t) and cos(s-t)

No spam!​

User Corydoras
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1 Answer

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Your answer is attached.

Hope it helps you!

Cos s=-2/5 and sin t=4/5, s and t are in quadrant II find cos(s+t) and cos(s-t) No-example-1
User Paulo Fidalgo
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4.3k points
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