1

# help with equation

Wed 9 Nov, 2016 11:20 am
hello, can someone help me with this equation??looked for help at Edit [Moderator]: Links removed but nothing so far..thanks..

tg α = m, (m = √3); π<α<3π/2
find: cos α, cos α/2, cos 2α
• Topic Stats
• Top Replies
Type: Question • Score: 1 • Views: 266 • Replies: 1
No top replies

fresco

1
Wed 9 Nov, 2016 11:56 am
@steph33,
If tg means 'tangent' then from tan^-1 root 3
a = 240 degrees (4pi/3)
(root 3 is the 60 degree and 240 degree value but 60 degrees is less than pi)

Go from there.
0 Replies

### Related Topics

Amount of Time - Question by Randy Dandy
logical number sequence riddle - Question by feather
Calc help needed - Question by mjborowsky
HELP! The Product and Quotient Rules - Question by charsha
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

1. Forums
2. » help with equation