Question

cosec(-120°) = trigonometry​

Answer 1

Answer:

Cosec 120 = By Trigonometric Ratios of Complementary angles : i) cosec(90+A) = secA. ii) sec(90+A) = -cosecA.

Step-by-step explanation:

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Answer 2

What is the value of cosec 120°?

2/√3

2

-2/√3

-2

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Cosec 120 =

By Trigonometric Ratios of Complementary angles :

i) cosec(90+A) = secA

ii) sec(90+A) = -cosecA

Now,

cosec120

= cosec(90+30)

= sec30°

= 2/√3