Question

13 sin
simplify
3‐⁵X 10‐⁵ X 12⁵/5-⁷x6

-⁵​

Answer 1

Answer:

sorry dont know but tell me next time

Answer 2

Answer:

sin 2A = 2 sinA cosA

consider A as theta as there is no symbol for theta in keyboards!!

As we know,

sin(A+B)= sin A cos B+ cos A sin B

if A=B,

sin(A+A)= sin A cos A+ cos A sin A

sin 2A= 2 sin A cos A