Question

V1 - cos215º. cos ec215º =
1)-1
2) 2
3) 1
4) 0​

Answer 1

Answer:

I think angle is 225°

Step-by-step explanation:

- cos225º. cos ec225º = - cos225º / sin225º

= - tan 225° = - tan ( 180°+45° )

= - ( tan 45° ) = - 1

option (1)

Answer 2

Step-by-step explanation:

hope helps if pls mark me as the brainliest and say thanks also