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### High School Mathematics - 210.4 Relations between Sin θ, Cos θ and Tan θ

 The ratios sin θ, cos θ and tan θ of an angle are very closely related. If one of them is known, the other two can be easily determined. Example: If sin θ = 3/5, find tan θ, θ is acute. cos θ = 4/5 tan θ = sin θ/ cos θ = 3/4 Directions: Answer the following questions. Also write at least ten examples of your own.
 Q 1: If cos B = 4/5, find sin B.3/411/23/5 Q 2: Given cos θ = 3/5, calculate the value of sin θ, tan θ.sin θ = 4/5; tan θ = 4/3sin θ = 4/5; tan θ = 4/3sin θ = 4/5; tan θ = 4/3sin θ = 4/5; tan θ = 4/3 Q 3: if sin θ = 1/Ö10, find cos θ .Ö101/31/Ö103/Ö10 Q 4: If tan C = 11, find sin C. cos C.1/1111/Ö122;1/Ö122;11/122 Q 5: If tan B = Ö3, find sin B, cos B. sin B = 1/2; cos B = Ö3/2sin B = Ö3/2; cos B = 1/2sin B = Ö2; cos B = 1/2sin B = Ö3/2; cos B = 1/Ö2 Q 6: If sin A = 2/3, find tan A.2/Ö5;Ö5/3;3/21 Q 7: If sin θ = 1/Ö2, find the values of cos θ, tan θcos θ = 1; tan θ = 1/Ö2cos θ = 1/Ö2; tan θ = 1cos θ = Ö2; tan θ = 1cos θ = 1; tan θ = 1 Q 8: If θ is acute and tan θ = 4/3, find the value of sin θ + cosθ.3/77/57/43/4 Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!

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