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what is the exact value of cos(c+d), given sin c=24/25 for c in quadrant 2 and cos d=-3/4 for d in quadrant 3
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what is the exact value of cos(c+d), given sin c=24/25 for c in quadrant 2 and cos d=-3/4 for d in quadrant 3

User Uffe Kousgaard
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7.8k points

2 Answers

5 votes

Answer: d or 21+24square root 7 over 100

Explanation:

User Aesthete
by
7.9k points
3 votes

Answer:

1 3/100

21-24squareroot7/100

21

=24squareroot7/100

Explanation:

User Dwoolk
by
7.6k points
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