Question

tan^2 65° -cos ec^2 25° + 1/
cos ec^2 65° - tan^2 25° + 2​

Answer 1

Step-by-step explanation:

(iii) За – 2b = -7 5а - 3b = 13 ,solve by addition subtraction method (Simultaneous Linear equation) help me!!please,Please show working also.

Answer 2

Answer:

I think this is helpful to you

Step-by-step explanation:

please mark the brainliest and thanks