Question

anyhow plz solve and send answer plz plz​

Answer 1

tan(180°–A).cot(90+A)+x×cos(90°+A)×cos(90°–A) = SinA.Sin(180°–A)

or, –tanA.tanA+x×sinA.sinA = sin A.SinA

or, -tan²A +xsin²A = sin²A

or, sin²A(x–1) = sin²A/cos²A

or, (x–1)= sec²A

or, x = sec²A +1

or, x = 2+tan²A