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

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cwrw238Best ResponseYou've already chosen the best response.1
Hint: csc θ = 1 / sin θ
 one year ago

cwrw238Best ResponseYou've already chosen the best response.1
so plug this into your equation and simplify to get an equation in sin θ
 one year ago

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

cwrw238Best ResponseYou've already chosen the best response.1
ok 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
 one year ago

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