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### High School Mathematics - 2 Trignometic Ratios and their Values

 Directions: Answer the following questions. Also write at least 10 examples of your own.
 Q 1: If tan A = 2, evaluate sec A.sin A + tan2A - cosec AAnswer: Q 2: If cot θ = 1/Ö3, find the value of (1 - cos2θ)/2 - sin2θAnswer: Q 3: If tan θ = 4/3, find the value of (3 sin θ + 2 cos θ)/(3 sin θ - 2 cos θ)Answer: Q 4: If sin B = 1/2, find 3 cos B - 4 cos3BAnswer: Q 5: Evaluate (cosec θ - cot θ)/2 cot θ, when sin θ = 3/51/87/84/33/5 Q 6: if sec θ = 5/4, find (sin θ - 2 cos θ)/(tan θ - cot θ)Answer: Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!

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