Not clear your question !
Answer:
5x^4
Step-by-step explanation:
Just subtract the exponent values because coefficient is same
The answer for 338 to the nearest ten is 340
Given the equation:

Let's determine the trigonometric identity that you could be used to verify the exquation.
Let's determine the identity:
Apply the trigonometric identity:


Replace cosx for 1/secx
Thus, we have:

The equation is an identity.
Therefore, the trignonometric identity you would use to verify the equation is:

ANSWER:
Answer:
$70
Step-by-step explanation:
21/30 = 0.7
100x 0.7 = 70