Sin[θ+(pi/6)] Multiple values???

  • #1
13
10
Question:
If cosθ=(3/5) and 0<θ<2pi
determine the value of sin[θ+(pi/6)]

Attempt:
θ=cos^-1(3/5)

θ=0.927295218

sin[θ+(pi/6)]=0.992820323

real answer = 0.992820323, -0.39282

How do i find the second value, all i can find is 0.992820323 but not -0.39282
 

Answers and Replies

  • #3
13
10
thank you i understand now
 

Related Threads on Sin[θ+(pi/6)] Multiple values???

  • Last Post
Replies
4
Views
5K
  • Last Post
Replies
9
Views
4K
  • Last Post
Replies
2
Views
2K
Replies
5
Views
232
  • Last Post
Replies
7
Views
4K
  • Last Post
Replies
8
Views
2K
  • Last Post
Replies
4
Views
3K
Replies
1
Views
9K
Replies
2
Views
2K
Top