# Trig Problem from my Pre-Calc Homework

• May 3rd 2012, 07:42 PM
jonathanraxa
Trig Problem from my Pre-Calc Homework
Attachment 23776

Let ABC be a triangle with standard notation. Suppose a = 5, b = 6, and C = 26˚. Evaluate the remaining sides and/or angles of the triangle, namely A, B, and c. Perform exact calculations and round only final answers.

Round the answers to four decimal places.

Homework question. My last one for the week. Thanks =)
• May 4th 2012, 05:48 AM
skeeter
Re: Trig Problem from my Pre-Calc Homework
start with the law of cosines to get side c, then then the law of sines to get either angle A or B ... then you can find angle C
• May 4th 2012, 03:01 PM
jonathanraxa
Re: Trig Problem from my Pre-Calc Homework
I got c, and plugged the numbers into the law of sin for A:

[sin(A)/5]=[sin(26)/2.6593]

Yet the answer apparently isn't right
• May 4th 2012, 05:00 PM
skeeter
Re: Trig Problem from my Pre-Calc Homework
Quote:

Originally Posted by jonathanraxa
I got c, and plugged the numbers into the law of sin for A:

[sin(A)/5]=[sin(26)/2.6593]