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jojoforever
 one year ago
find all values of θ in the interval 0° ≤ θ < 360° that satisfy the equation 2(sin θ + csc θ )=5
jojoforever
 one year ago
find all values of θ in the interval 0° ≤ θ < 360° that satisfy the equation 2(sin θ + csc θ )=5

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cwrw238
 one year ago
Best ResponseYou've already chosen the best response.1Hint: csc θ = 1 / sin θ

cwrw238
 one year ago
Best ResponseYou've already chosen the best response.1so plug this into your equation and simplify to get an equation in sin θ

jojoforever
 one year ago
Best ResponseYou've already chosen the best response.0thank you i am solving now, but can you also solve it so we can check if we got the same answer.

cwrw238
 one year ago
Best ResponseYou've already chosen the best response.1ok i'll write s for sin 2 ( s + 1/s) = 5 s^2 + 1  = 2.5 s s^2  2.5s + 1 = 0 s = 2 or 0.5 s cannot be 2 when sin theta = 0.5 theta is 30 , 150 you are right

jojoforever
 one year ago
Best ResponseYou've already chosen the best response.0THANK YOU SO MUCH!
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