The number of solutions of , in the interval is :
1
2
3
4
As we learned,
Graph of Trigonometric Ratios -
- wherein
This is the graph of
and
Graph of Trigonometric Ratios -
- wherein
This is the graph of
Let's look at the graphs.
There is only one solution.
Option 1)
1
Option 2)
2
Option 3)
3
Option 4)
4
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