requestbook
SELECT PAGE NO. SELECT PROBLEM NO. FOR THE PAGE

Step-by-step Answer
PAGE: 532SET: ExercisesPROBLEM: 9
Please look in your text book for this problem Statement

The angle of the triangle .

The two sides of the triangle is and .

Find the side  by using law of cosines.

Law of cosines: .

Substitute , and in above formula.

Find the angle  by using law of sines.

Law of sines: .

Consider .

Substitute , and in above formula.

.

Sum of the three angles in a triangle .

Substitute  and  in above expression.

.

, and 



TESTIMONIALS

"I want to tell you that our students did well on the math exam and showed a marked improvement that, in my estimation, reflected the professional development the faculty received from you. THANK YOU!!!"

June Barnett

"Your site is amazing! It helped me get through Algebra."

Charles

"My daughter uses it to supplement her Algebra 1 school work. She finds it very helpful."

Dan Pease

QUESTIONS? LET US HELP.
Simply chose a support option

My status

JOIN US ON:     
mathskey.com is not affiliated with any Publisher, Book cover, Title, Author names appear for reference only