Question

2) If y
7 tan o = 4, find 7sin-3cos o
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Answer 1

Answer:

1/√3 is your answer

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Answer 2

7tan o =4,then tan o= 4/7

by trick

we know that tan o = sin o /cos o ,then putting 4 in place of sino& putting 7 in place of cos0 &solve it self ... Ans. is 28-21=7