Trigonometry review just 27 & 28 urgent

27: 9.239 (Rounded to three decimal places)

28: 36.890 (Rounded to three decimal places)

Step-by-step explanation:

27:

tan 57° = x/6

x = 6tan57°

x = 9.239

28:

sin 31° = 19/x

x = 19/sin31°

x = 36.890

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

the answer is:

the correct option:

b.

to solve the problem, we need to remember how to operate to simplify exponential expressions using the logarithms.

we are given the equation:

then, using placing logarith with base 7 on both sides of the equation, we have:

so, rounding the obtained result to two decimal places (nearest hundreth), we have:

hence, we have that the correct option:

b.

have a nice day!