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3241004551 [841]
3 years ago
7

Find the EXACT value of sec (-120 degrees)

Mathematics
2 answers:
Mademuasel [1]3 years ago
7 0

Well sec(-120) = 1/cos(-120).

We know that cos(-120) = -1/2.

So, 1/(-1/2) = -2.

This means that sec(-120) = -2.

kenny6666 [7]3 years ago
3 0
Sec is 1/cos so sec -120 is 1/cos -120 which is -2
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