Answer:
The Pythagorean identity states that

Using that we can rewrite the left denominator as:

Which can be factored as

The numerator we can expand as:

On the right hand side, let's multply numerator and denominator with (1 - sin t):
The total formula then becomes:

There you go... left and right are equal.
Answer:
c.
Step-by-step explanation:
Answer:
32% or 8/25
Step-by-step explanation:
Answer:
9.7×10³
Step-by-step explanation:
(3.6×10³) + (6.1×10³) = (3.6+6.1)×10³ = 9.7×10³
___
The factor of 10³ can be factored out while you do the sum.
___
A calculator can find the sum for you. A scientific or graphing calculator will have the option to display the result in scientific notation format.
Answer:
Step-by-step explanation:
P represents the original price of the sandwich
1.5 represents the discount