4 years ago

Angle is in standard position, if sin(0) = -1, and A<$< 3,4, find cos(O). Why?

Mathematics

2 answers:

Arlecino [84]4 years ago

7 0

Answer:

Step-by-step explanation:

Sin(theta) = -1

Theta = 270° or 3pi/2

Cos(theta) = 0

Reason:

sin²(0) + cos²(0) = 1

(-1)² + cos²(0) = 1

cos²(0) = 0

cos(0) = 0

Komok [63]4 years ago

3 0

Answer:

please explain what this is supposed to mean A<$< 3,4,

Step-by-step explanation:

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