Given that tan(t) = 5 12 , and 0 <  t < π 2 , complete the steps to find cos(t). which identity would be best to start with?

12/13

Step-by-step explanation:

Use a Pythagorean identity that has tangent.

tan²(t) + 1 = sec²(t)

(5/12)² + 1 = sec²(t)

25/144 + 1 = sec²(t)

169/144 = sec²(t)

sec(t) = ±13/12

cos(t) = ±12/13

Since 0 < t < π/2, cos(t) > 0.

cos(t) = 12/13

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:

answer: i think one of the answer is $150 and $300?

step-by-step explanation: