Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
You are not logged in.
- Topics: Active | Unanswered
Pages: 1
#1 2009-03-12 03:20:35
- serena
- Member
- Registered: 2009-03-12
- Posts: 13
Graphs of trignometric functions
1) Given that ө is an acute angle measured in degrees, express in terms of sin ө:
a) sin(-ө)
b) sin(-360+ө)
plz help me 
!!
Last edited by serena (2009-03-12 03:21:12)
Offline
#2 2009-03-12 03:39:19
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,045
Re: Graphs of trignometric functions
a) sin(-θ) = -sin(θ)
b) sin(-360+θ) = sin(θ)
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
Offline
#3 2009-03-12 03:44:49
- serena
- Member
- Registered: 2009-03-12
- Posts: 13
Re: Graphs of trignometric functions
thnx
Offline
Pages: 1