Question

Which formula is used to find value of sin? ​

Answer 1

Answer:

That doesn't even exist

Step-by-step explanation:

Answer 2

$\sf\underline{Solution }\dag$

To find :

=> Formula is used to find value of sin?

Solution :

Heya

→According to the question

⠀⠀ ⇒Putting A ,= 30 °

⇒2 A =60°

⠀⠀ ⇒Sin30° =√1-cos60°/2

⇒Squaring both sides ......we get

⇒Sin²30°=1-cos60°/2=1-1/2/2=1/4

⇒Sin30° /=√1/4

⠀ ⇒Sin30°=1/2

Thanks for asking this .