Question

Part 1. Use the 25° angle and the sine ratio to find the length of side b to two decimal places.

I put: sin(25)=a/25
Is that right?

Part 2. You can find the length of side a using cos 25° , tan 25° , or the Pythagorean theorem. Find the length of side a to 2 decimal places using one of these methods.

Answer 1

Is there a picture of this?

Answer 2

yes

Answer 3

can you post it?

Answer 4

thanks

Answer 5

so it should be sin(25) = b/25 and not sin(25) = a/25

Answer 6

since in part 1 you're looking for b (and not a)

Answer 7

what about part 2?

Answer 8

part 2, you will have either...

cos(25) = a/25

or

tan(25) = b/a

or

a^2 + b^2 = 25

You'll use the value of b you found in part 1 to find the value of 'a' (keep in mind that a > 0) if you use method 2 or method 3.

Answer 9

using cos(25) = a/25 is probably the easiest (in my opinion)

Answer 10

Ok thank you so much man!

Answer 11

you're welcome