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Grade: 10
        If 5sina=12cosa & a is an acute angle what is the value of cosec a???
8 months ago

Answers : (1)

Arun
13155 Points
							
Dear Shubham
 
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)
8 months ago
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