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If sin theta is equal to 3 upon 5 evaluate cosec theta minus cos theta upon 2 cos theta​

Answer»

Answer:

if SIN a=3/5 then

cosec a= 5/3 and cos a=4/5

=cosec a - cos a/2cos a

=(5/3-4/5)/(2*4/5)

=(13/15)/(8/5)

=(13/3)*(1/8)

=13/24

note that I have TAKEN theta as a



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