How can I solve this question

B.

Step-by-step explanation:

B

Step-by-step explanation:

1 + tan²X = sec²X

(1 - tan²X)/sec²X

cos²X - sin²X

cos2X

Integral of cos2X

= sin2X ÷ 2 + c

= ½sin2X + c

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation:

"a" determine whether sage found the correct quotient. show your work

step-by-step explanation: