the value of tan is equal to 4 by 3 tyen the value of cos A........./ tan A =4/3
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cosA=B/H........tanA=4/3=P/Bso ....acc to thwe question we apply pythagorus theorm so acc to this theorm
H^2=P^2+B^2=(4)^2+(3)^2=16+9=25=√25=5......
so... cosA=3/5............answer
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