4 years ago

Given sin(theta)=-1, find sec (theta)

Mathematics

1 answer:

ElenaW [278]4 years ago

5 0

First problem:

sec(theta) = 1/sin(theta) = 1/(-1) = -1

Answer: a. –1

Second problem:

cos(theta) = 1

You need to use the inverse cosine function, cos^-1 x.

theta = cos^-1(1) = 0°

Answer: c. 0°

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