Question

sin 45 degree cos 30degree minus cos 45 degree sin 30 degree​

Answer 1

Answer: This is the expanded form of the function Sin (A-B)

Step-by-step explanation:

So the answer will be

Sin(45-30)

= Sin 15

Answer 2

Step-by-step explanation:

sin 45° cos 30° - cos 45° sin 30°

=> 1/√2*√3/2 - 1/√2*1/2

=> √3/2√2 - 1/2√2

=> (√3 - 1) / 2√2 × √2/√2

=> [√2(√3-1)] / 2*2

=> (√6 - √2) / 4