Question

Sin 5/13. then the value of secA is-
13/5 B) 13/12 C) 12/13
D 12/5
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Answer 1

sin A = 5/13

opposite side = 5

hypotenuse = 13

adjacent side = √(13² - 5²)

= √(169 - 25)

= √ 144 = 12

opposite = 12

sec A = hyp/adj

sec A = 12/13