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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

High School Mathematics - 2
10.10 Trignometry Ratios of Certain Specific Angles

Directions: Answer the following questions. Also write at least 10 examples of your own.
Q 1: If tan α = 2, prove that sin α.sec α + tan2α - cosec α = (12 - 5)/2
Answer:

Q 2: If tan A = 1/3, show that sin A.cos B + cos A.sin B = 1
Answer:

Q 3: If (cos A + 1)/sin A = 5, then show that cos A = 12/13
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Q 4: If cos θ = 5/13, show that sec θ /(sin θ - tan θ) = 169/96
Answer:

Q 5: If 7 sin2 θ + 3 cos2 θ = 4, show that tan θ = 1/3
Answer:

Q 6: If sec θ = 5/4, prove that (sin θ - 2 cos θ)/ (tan θ - cot θ) = 12/7
Answer:

Q 7: if cos θ = 0.6, prove that 5 sin θ - 3 tan θ = 0
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Q 8: If sin α = 3, prove that cos α. cosec &alphaα + tan α.secα = (162 + 3)/8
Answer:

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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