Question

15catA = 8, sin A and sec A ka maan gyat kijiye​

Answer 1

Step-by-step explanation:

15 cot A =8

cot A =8/15 , cotA = adjacent/opposite

therefore, 8/15 =adjacent /opposite

adjacent = 8a

opposite side= 15a

By Pythagoras throrem

(hypotaneous side)^2 =(adjacent side)^2 +(opposite side)^2

H.S^2= 64a^2 + 225 a^2

= 289 a^2

therefore hypotaneous side = underoot 289 a^2= 17a

therefore,

sin A = opposite/ hypotaneous = 15a/17a

= 15/17

sec A = hypotaneous/ adjacent = 17a/ 8a

= 17/8

hope it helps

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