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if cos28+sin28=k^3 then find the value of cos 17 in terms of k

if cos28+sin28=k^3  then find the value of cos 17 in terms of k

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2 Answers

jitender lakhanpal
62 Points
8 years ago

HI VEDANT

 

PFA 

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jitender lakhanpal
62 Points
8 years ago

cos 28 = sin 62 

 

sin 62 + sin 28 = 2 sin 45 * cos 17 = k3 

 

from the above equation u can find the value of cos 17 in terms of k

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