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Grade: 11
```
If sinx/siny=a/B,then acotx+bcoty equals 11.{a+b}cot(x+y/2)2.{a+b}tan(x+y/2)3.{a+b}{tan(x/2)+tan(y/2)}4.{a+b}{cot(x/2)+cot(y/2)}
If sinx/siny=a/B,then acotx+bcoty equals 11.{a+b}cot(x+y/2)2.{a+b}tan(x+y/2)3.{a+b}{tan(x/2)+tan(y/2)}4.{a+b}{cot(x/2)+cot(y/2)}

```
3 years ago

## Answers : (1)

Saurabh Koranglekar
askIITians Faculty
10341 Points
```							Dear studentPlease tell what is to be done with the question proof evaluation etcRegards
```
one year ago
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