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Grade: 10 
        
Please give the solution for the image provided... Please
one year ago

Answers : (1)

Purva Agrawal
34 Points 
							
sin47 = cos (90-47)      cos 43= sin (90-43)
           = cos 43.                         = sin 47
 
✓(sin47/cos43)2 + (cos 43/sin 47) - 4cos245
 
= (1)2+(1)-4*(1/√2)2
 
=1+1-4*1/2
 
= 2-2= 0
one year ago
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