if 6 tan A = 5 find 3 sin A-cosA /5cosA+9 sin A
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Step-by-step explanation:
TanA = 5/6
3SinA - CosA / 5CosA + 9 SinA
//Divide numerator and denominator by CosA
3SinA/CosA - CosA/CosA / 5CosA/CosA + 9SinA/CosA
=>3TanA - 1 / 5 + 9 TanA
=> 3*5/6 - 1 / 5 + 9 *5/6
=> 5/2 - 1 / 5 + 15/2
=> 3/2 / 25/2
=> 3/2 * 2/25
=> 3/25.
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