Answer:
Proved: 
Step-by-step explanation:
Given: A triangle
To prove: 
Solution:
Trigonometry is a branch of mathematics that explains relationship between sides and angles of the triangle.
Sine of angle = side opposite to the angle / hypotenuse
In ΔADB,

In ΔBDC,

From equations (i) and (ii),

Hence proved
ME but i have a math test sadly
Answer:
Step-by-step explanation:300
An expression to represent a decimal between 1 and 10 multiplied by ten. basically to write larger numbers with less digits.
ex . 100 = 1 x 10^2
ex. 4321= 4.321 x 10^3