if 4 tan= 3 then find 4 sinA-cosA+1/4 sinA+ cosA-1
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Answer:
tex]\frac{35}{16}[/tex]cosA
Step-by-step explanation:
Given 4tanA=3
so, 4sinA-cosA+1/4sinA+cosA-1
Ans= cosA[4tanA-1+1/4tanA+1-1]
=cosA[3-1+tanA]
Now,
if 4tanA=3
tanA=4/3
=cosA[2-× ]
=cosA
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