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If 5sina=12cosa but `a` is an acute angle what will we the value of cosec a?

If 5sina=12cosa but `a` is an acute angle what will we the value of cosec a?

Grade:10

1 Answers

Arun
25763 Points
3 years ago
 
 
As 
5 sinA = 12 cos A
Hence
sun A/ cos A = 12/5
tan A= 12/5
 
Hence sin A = 12/13
 
Now
cosec A = 1 /sin A = 13/12
 
Regards
Arun (askIITians forum expert)

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