Saturday

February 28, 2015

February 28, 2015

Posted by **James** on Wednesday, November 12, 2008 at 11:05pm.

What I did:

Sin(Θ+47°)=1/2

Sin 1/2 = Θ+47°

30°+360 = Θ+47°

343° = Θ

Ok, so how do i find the other solutions? In this problem its 103°. I think we were suppose to do something with the graphing calculator and something about calculating the zero. I know how to do that, but i dont know how to make it equal 0 so i could put it in Y1? Any other way, what did i do wrong? Is there a prgm that is avilable for the Ti-83+ that can do these problems?

btw:

Θ = theta

Thanks in advance.

- Trig - Identies/equation, please help! -
**Sarah**, Wednesday, November 12, 2008 at 11:18pmwhtis the value of 343... figure tht out .. and thn u can say tht other solutions with be 2 pie ( n)

n wht ever value u figure out in radioans..

- Trig - Identies/equation, please help! -
**drwls**, Wednesday, November 12, 2008 at 11:18pmThat looks like an equation, not an identity. If it were an identity, it would be true for all theta.

I am confused about what your symbol on the right side,

1 ΘЄ[0°, 360°)

is supposed to mean

Are you solving 2 Sin(Θ+47°)= 1 ?

If so, Sin(Θ+47°)=0.5

Θ+47° = 30, 150 or 390 degrees

Θ = 103 or 333 degrees if you are limited to theta between 0 and 360 degrees

- Trig - Identies/equation, please help! -
**James**, Wednesday, November 12, 2008 at 11:41pmthe ΘЄ[0°, 360°) was suppose to mean its 0° < or = Θ < 360°

- Trig - Identies/equation, please help! -
**James**, Thursday, November 13, 2008 at 12:10amI get this now!!, Thanks!!!, i guess i should study now.

**Answer this Question**

**Related Questions**

please - Given tan Θ = - 8/5 and sin Θ < 0, find sin Θ, cos &#...

math-Trig - 1. Write the algebraic expression which shows Cos((ArcSin(4/X)), 2...

Math-Trig - Trig Questions- 1. Write the algebraic expression which shows Cos((...

Trigonometry - 1. Find the exact value of the following (Think identity) Cos(2 ...

math - Solve the following equations giving any roots in terms of pi in the...

TRIGONOMETRY HELP - Prove that: cosēΘ - sinēΘ = 2cosēΘ - 1

TRIGONOMETRY HELP - Prove that: (tanēΘ)x(sinēΘ) = (tanēΘ)-(sinē&#...

Trigonometry - Find all the angles between 0° and 90° which satisfy the equation...

Trigonometry - Solve the equation cotΘ-abtanΘ = a-b Answer-tanΘ=1...

Pre-Calc - Let cis Θ = cos Θ + i sin Θ. Let z1 = 3 cis 25 and let...