Math, asked by shantiramdas8134, 10 months ago

Evaluate this cosec 390°

Answers

Answered by alexaaguayo

0

Answer:

390 ° = 360°+ 30 °+ 30 °. => Cosec ( 390 °) 1/ sin 30 °. =2/1

Answered by Anonymous

4

cosec(390)°

= cosec(90×4 + 30)°

= cosec(30)

= +2

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