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If a + b = 90 …

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

Posted by Anshika & Aliens???? 6 years, 11 months ago

CBSE > Class 10 > Mathematics

5 answers

Aryan Khare 6 years, 11 months ago

Sorry sorry i think it is cosec A

Ram Kushwah 6 years, 11 months ago

sec a=5/3

a+b =90 so b=90-a

cosec b =cosec(90-a)=sec a=5/3

Aryan Khare 6 years, 11 months ago

sec a=5/3......h^2=p^2+b^2......5^2=p^2+3^2.....25=p^2+9.......p=4....... cosec=h/p.......so cosec=5/4

Anshika & Aliens???? 6 years, 11 months ago

How please explain ??

Puja Sahoo? 6 years, 11 months ago

5/3.........

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