Question

If : sin45 degree =cos45degree = 1 by route 2and cos 90 degree =sin 0 degree=0 Then (1-sin square 45 degree is​

Answer 1

Answer:

1/2

Step-by-step explanation:

1 - Sin²45

= Cos²45       (∵ 1 - Sin²θ = Cos²θ)

= [Cos45° ]²

= [1/√2]²

= 1/2.

Answer 2

Answer:

${sin}^{2} \alpha + {cos}^{2} \alpha = 1$

Step-by-step explanation:

you can see the answer by the picture

thanks