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More Trigonometry Questions
- Evaluate the following: sin 50° × cos 20° − sin 20° × cos 50°
- Find the maximum value of (11sin A + 60cos A).
- If sin 2a = (1/2), then find the value of (sin a + cos a).
- If tan 12θ x tan 6θ = 1 then the value of tan 9θ is
- If sin (3A − 2B) = (√3/2) and cos (A + B) = (1/2), where 0° < A, B < 90°, then find the value of ‘A’.
- Question 6
- Find the value of sin²40° + sin²50° + cos²60° + cos²30°.
- If acos 3 θ + 3asin 2 θcosθ = m and asin 3 θ + 3asinθcos 2 θ = n, then find the value of (m + n) 2/3 + (m – n) 2/3 .
- The value of (3tan10°-tan³10°)/(1-3tan²10°) is equal to
- cot 17˚ cot 18˚ …………………….cot 72˚ cot 73˚ = ?
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