Question

If sin theta+ sin^2 theta= 1
Then prove:- cos^2 theta+ cos^4 theta= 1​

Answer 1

Step-by-step explanation:

SinO + Sin²O = 1

SinO = 1 - Sin²O

SinO = Cos²O -------(1)

Cos²O + Cos⁴O

Cos²O + (Cos²O)²

equation (1) Se Cos²O ki value rakhne per

SinO + (SinO)²

SinO + Sin²O

= 1