Question

If Sec?0 =1 then Tan²0 =
1) 2
2) 1
3-1
4 Zero​

Answer 1

Answer:

Sec A = -1 - tan A

sec² A = 1 + tan² A + 2 tan A

=> Tan A = 0

=> sec A = -1

Sec A - Tan A = -1