Question

sin theta barabar 45degree cos theta ka Maan batao​

Answer 1

Step-by-step explanation:

brother theta agr 45 hai to sin 45 =1/√2

and cos 45 = √[1-1/2]

cos 45:= √(1/2)

Answer 2

Step-by-step explanation:

If, theta= 45°

then

sin(45°)= 1/√2

but

sin45°=cos45°

therefore...

cos45°= 1/√2