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Cos90sin0-sin0cos90=?
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Cos90sin0-sin0cos90=?

User AJ Henderson
by
6.7k points

2 Answers

4 votes

90 = 0

since, 0 = 0

(0)(0) - (0)(0) = 0

Answer: 0

User Robin Manoli
by
7.0k points
2 votes

Use the Unit Circle (or a calculator) to find each one, then solve.

cos 90 = 0

sin 0 = 0

(0)(0) - (0)(0) = 0

Answer: 0


User Pata Kusik
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7.6k points
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