Question

If a coso + b sino = 3 and a sin 0-b cos 0 = 4, then the
value of a² + b2 is:
(1)9
(2)16
(3) 25
(4) None of these​

Answer 1

Answer:

Here , According to the property

a^2+b^2 - 3^2=4^2

a^2+b^2 = 25

Answer 2

Answer:

25

Step-by-step explanation: