Question

eliminate theta from the relations a sec theta = 1-b tan theta and a^2 sec^2 theta =5+b^2 tan^2 theta

Answer 1

so here the value comes to be 3 please tell whather my answer is wrong or correct.
HOPE IT HELPS YOU..

Answer 2

first on was wrong correct answer is -------

a^2 b^2+4a^2=9b^2