Question

if cosec a = 7/5 then find the value of sec (90 - a)

Answer 1

hi your answer is

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Given,

cosec a = 7/5. ___(1)

and we know that,

cosec a = sec(90-a). ___ (2)

from (1) and (2), we have

sec (90-a) = 7/5

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please mark as brain list answer