Question

Q18. If cos A = 4/5, then tan A =?
(A) 3/5
(B) 3/4
(C) 4/3
(D) 4/5​

Answer 1

Answer:

3/4

Step-by-step explanation:

apply Pythagoras theorem

Answer 2

Answer:

3/4

Step-by-step explanation:

secA=  4/5

​tanA= √ sec  2  A−1

​  =  25/16  −1

​  =  3 /4

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