Given 15 cot A = 8, find the values of sin A and sec A.
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sin A =17/15
sec A = 17/8
Step-by-step explanation:
15 cot A =8
cot A = 8/15
also cot A = ab/Ac
using pythagoras theoram
Bc^2 = Ac^2 -Ab^2
=15×15 -8×8
= 225+64
=17
Ab =8
Ac=15
Bc =17
sin A = Bc/Ac
=17/15
sec A = Ac/Ab
=17/8
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