Question

If sec A=13/12, calculate cosec A​

Answer 1

Answer:

13/5

Step-by-step explanation:

secA=13/12=H/B

H²=P²+B²

169=P²+144

169-144=P²

P=5

cosecA=H/P

=13/5

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Answer 2

Answer:

Hello.....

Given that

sec A = hypotenuse /adjacent side = 13/12

by pythagoras theorem,

( opposite side )² = (hypotenuse) ²—(adjacent

side)²

(side)²= 13²—12² = 169 —144 = 25

side = √25 = √5² = 5...

:. cosec A = hypotenuse/opposite side = 13/5...

Hope it helps....

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