Question

(v) 2 sin 45º cos 45º​

Answer 1

Step-by-step explanation:

HERE IS YOUR SOLUTION

2 sin 45º cos 45º= sin 2(45)=sin90=1

Answer 2

Step-by-step explanation:

values of Sin 45°= 1/√2

and Cos 45°= 1/√2

so Sin45× Cos45= 1/(√2×√2)

= 1/2

so 2×Sin45× Cos45= 2×1/2= 1