Question

1
3. If 2 sin 40
,
then the value of 0 is :
2.
​

Answer 1

Answer:

Here is your answer:

Step-by-step explanation:

Answer:22.5°

Step-by-step explanation:

sin 4Ф =1

⇒ sin 4Ф= sin 90°

⇒ 4Ф=90°

⇒Ф= 90°/4

⇒Ф=22.5°