SOLUTION: Given that 15cosA-8sinA=0 find the value of sinA+cosAś2cosA-sinA (A is acute)
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Question 767090: Given that 15cosA-8sinA=0 find the value of sinA+cosAś2cosA-sinA (A is acute)
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
)
But 
, hence 
and therefore
Then using
From there
is just arithmetic.
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
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