Asked by Anonymous

The terminal side of an angle alpha (in standard position) contains the point (-3,-4). Find sec alpha.

12 years ago

Answered by Reiny

did you recognize the 3-4-5 rightangled triangle ?

cosA = -3/5
so secA -5/3

12 years ago

Answered by Anonymous

Thank you for that! I forgot how to start it!

12 years ago

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