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Mathematics, 09.01.2020 15:31 umarhaley
Any would be greatly appreciated. i am completely clueless on all of this stuff. we recently got a new teacher and she doesn't know what she's doing, and we have a huge test tomorrow on this. these are some of the study guide questions that i am completely clueless on.
1.) determine the quadrant in which θ lies: tanθ< 0, cosθ> 0
2.) given sinθ= -1/5 and tan θ< 0, find cosθ
3.) find the reference angle for θ=228°
4.) use the reference angle to find the exact value of cot(-150°)
5.) use the reference angle to find the exact value of csc(225°)
6.) use the reference angle to find the exact value of sin(- 8π/3)
7.) use the reference angle to find the exact value of sec(7π/4)
8.) given cosθ= -7/8 and π/2 ≤ θ ≤ π, find tanθ
9.) given sinθ= -4/7 and 3π/2 ≤ θ ≤ 2π, find secθ
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Any would be greatly appreciated. i am completely clueless on all of this stuff. we recently got a...
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