Q.
If θ lies in the first quadrant and 5 tanθ=4 then 5sinθ−3cosθsinθ+2cosθ=
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a
514
b
314
c
114
d
0
answer is A.
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Detailed Solution
tanθ=45 ∴5tanθ−3tanθ+2=5(45)−345+2 = 514
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