Math, asked by susmitaroyjpg16, 10 months ago

(iii)
cosec 17° 30'
sec 72° 30'

Answers

Answered by mia76

2

Answer:

cosec 17°30'/sec 72°30'

since 17°30'+72°30'=90°

Therefore,

sec 72°30'/sec 72°30'

=1

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