Reduce terms: (sin x + sin 3x)/(cos x - cos 3x) =cos(2x)/sin (2x)
(sin x + sin 3x)/(cos x - cos 3x) = cot (2x)
The last line proves the identity (sin x + sin 3x)/(cos x - cos 3x) = cot (2x)
Answer:
14 sq units
Step-by-step explanation:
square - 4
triangle - 4
secong triangle - 6
4+4+6 = 14 sq units
The answer is (90 cm) hope it helps and have a good one!
The correct option would be: y = 2x
You can check by replacing the variables with the given values.
Hope this helps!