If tan x =4/3 , find the value of : 4 sin square x - 3 cos square x +2
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Hiii...
Answer is 87/25 ....
Answer is 87/25 ....
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sin = 4/5
cos = 3/5
now find 4 sin ^ 2 x + 3 cos ^ 2 x +2
4 (4/5)^2 - 3 (3/5)^2 +2
64/25 - 27/25 + 2
64- 27+50 / 25
87/25
cos = 3/5
now find 4 sin ^ 2 x + 3 cos ^ 2 x +2
4 (4/5)^2 - 3 (3/5)^2 +2
64/25 - 27/25 + 2
64- 27+50 / 25
87/25
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