Math, asked by negisonam1776, 1 year ago

If a+b=90 and sec a =5/3then find the value of cosec b

Answers

Answered by Tejaswi10
9
according to trigonometry identities,
sec (90-b) = cosec b
Attachments:
Answered by Anonymous
3
A + B = 90o

A = 90o - B 

sec A = 5/3

Also

sec A = sec (90o​ - B)          (because A = 90o - B)
          = cosec B                  ​ 
          = 5/3
Hence, cosec B will also be 5/3
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