The value of (sin20cos70 + sin70cos20) is
Answers
Answered by
3
Answer:
hope it helps you
Step-by-step explanation:
The value of (sin20° cos70° + sin70° cos20°) is 1. sin20° cos70° + sin70° cos20° = cos(90° – 20°)cos70° + sin70° sin(90° – 20°) = cos 70° cos70° + sin70° sin70° = cos270° + sin270° = 1
Similar questions