Find the Derivative of y=tan(cos(9t)).

If you could explain it please

-9sin(9t)sec²(cos(9t))

Step-by-step explanation:

First differentiate the function and then the angle

sec²(cos(9t)) × -sin(9t) × 9

-9sin(9t)sec²(cos(9t))

answer: city needs 2.4 inches of rainfall more to match the record of 40 inches.

step-by-step explanation:

since we have given that

total annual rainfall a city record = 40 inches

this year, total rainfall recorded = 37.6 inches

number of inches of rainfall   is needed to match the record of 40 inches is given by

hence, city needs 2.4 inches of rainfall more to match the record of 40 inches.

answer: 323 is how many she has ☃☃⛄❄

step-by-step explanation: