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More Trigonometry Questions
- If (tan 6a · tan 3a = 1), then find the value of (tan 9a).
- sin2 7 ° + sin2 8 ° + sin2 9 ° + sin2 10 ° + ……… + sin2 83 ° = ?
- Question 3
- In triangle ABC, ∠A - ∠B = 16 ° , whereas ∠A - ∠C = 8 ° , find ∠B.
- Question 5
- If cos2B = sin(1.5B + 27 o), then find the measure of 'B'.
- If sin 2a = (5/9), then find the value of (sin a + cos a).
- If tan A = 1 and tan B = √ 3, what is the value of cos A . cos B - sin A . sin B?
- Find the value of sin²18° + sin²72° + cos²63° + cos²27°.
- If tanθ + secθ = 5, find the value of sinθ.
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