Question

IF 15 cot A = 8 , find sin A and Sec A

Answer 1

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Answer 2

given : 15cotA =8

cot A =8/15. ( cotA=b/p

means base=8, perpendiular=15

by pythegorus theorem

H^2 = P^2+B^2

H^2= 15^2+8^2

H^2= 225+64

H^2 = 289

H= √289=17

sinA = p/h

=8/17

secA= h/p

=17/8