Question

answer any of it I will mark you BRAINLIEST ​

Answer 1

Answer:

Answer to question (ii)

Explanation:

=We kown that  formula

=> sin²A-sin²b = sin(A+B) sin(A-B)

Then,

we put The equations in given formula and found it

=> Sin(15+A+15-A) Sin(15+A -15+A)

=> Here we found A-A = 0 and 15-15=0

so,

=> Sin 30×Sin 2A

=> 1/2Sin2A

I hope it's help you