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2 votes
Fiind the value of x between 0 and 360
for question 5sin 2x=7cos2x​

User Gyss
by
8.7k points

1 Answer

3 votes

Answer:

x=pi*n/2+1/2arctan(7/5)

Explanation:

5sin(2x)=7cos(2x)

5tan(2x)=7/5

2x=pi*n+arctan(7/5)

x=pi*n/2+1/2arctan(7/5) for n e Z

User Joe Osborn
by
8.7k points

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