Question

The value of cos 20°×sin 70°+ sin 20° cos 70° =​

Answer 1

Answer:

answer for the given problem is given

Answer 2

Answer:

1

Step-by-step explanation:

cos(90-70)× sin70 + sin(90-70) × cos70

sin70 × sin70 + cos70 × cos70

sin^2 70° + cos^2 70°

1 (by identity)