Answer:
sin 5x cos x - cos 5x sin x = sin(4x)
Step-by-step explanation:
Given that the trigonometric expression,
sin 5x cos x - cos 5x sin x
Here we use the "sum and difference formulas"
Sum and Difference Formulas
sin(A+B)=sin A cos B + cos A sin B
sin(A-B)=sin A cos B - cos A sin B
cos(A+B)=cos A cos B - sin A sin B
cos(A-B)=cos A cos B + sin A sin B
So,
sin 5x cos x - cos 5x sin x = sin (5x - x)
sin 5x cos x - cos 5x sin x = sin(4x)
That's the final answer.
The answer is sixty!
4(5+10)
4(15)
60
Answer:
Personal Identification Number
This is 15+16+5/6+3/8=31+20/24+9/24=32 5/24. Please mark Brainliest!!!
Answer:
u divide the area by 3.14
Step-by-step explanation:
it reverses the area
