Question

1 Ifcos A = 4/ 5 then the value of tan A is ​

Answer 1

Answer:

• cos A = b / h
• so base is 4 and hypotenuse is 5
• by pythagoras theorm we find perpendicular
• h2 = p2+ b2
• p2 = h2-b2
• √25 - 16
• √9
• we get perpendicular 3
• tan A = p/b
• tan A = 3/ 4

Step-by-step explanation:

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