Basic Trig Question

Forums: Math, Homework, Trig
Email this Topic • Print this Page

What is a? if b=10, c=6, A=55

Type: Question • Score: 0 • Views: 1,179 • Replies: 1

No top replies

@Air721,

Use Law of cosines here:
a^2 = b^2 + c^2 - 2bccosA
a^2 = 10^2 + 6^2 - 2(10)(6)cos(55)
a^2 = 136 - 120cos(55)
a^2 = 67.17082764
a = 8

0 Replies

Amount of Time - Question by Randy Dandy

logical number sequence riddle - Question by feather

Calc help needed - Question by mjborowsky

STRAIGHT LINES - Question by iqrasarguru

Possible Proof of the ABC Conjecture - Discussion by oralloy

Help with a simple math problem? - Question by Anonymous1234567890

How do I do this on a ti 84 calculator? - Question by Anonymous1234567890

▲ ▼