Question

Write all the other trigonometric ratios of ∠A in terms of sec A.​

Answer 1

cos A

We know that

cos A = 1 sec A

tan A

We know that

1+ tan² A = sec² A

tan²A = sec² A-1

tan A= ± √sec² A-1

Here, A is acute (i.e. less than 90°) & tan A is positive when A is acute

tan A = √sec² A-1

Answer 2

Step-by-step explanation:

this is ur ans hope it's hlp