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podryga [215]
4 years ago
12

If sin(Ф)=3/5, and cos(Ф)=-4/5, which of the following is true?

Mathematics
1 answer:
Juli2301 [7.4K]4 years ago
8 0

Answer:

Step-by-step explanation:

b.) cos((π/2)-Ф)=-3/5 is true because :

cos((π/2)-Ф)= sin(Ф)

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