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More Trigonometry Questions
- If X = 15°, find the value of: cos²(2X) + sin²(3X) - tan²(2X)
- If (sin A + 2cos A) = 4 cos (90° - A), then find the value of cot A.
- If sin (3A − 4B) = (1/2) and cos (A + B) = (√2/2), where 0° < A, B < 90°, then find the value of ‘A’.
- If tan A = 1 and tan B = √ 3, what is the value of cos A . cos B - sin A . sin B?
- The value of (3tan10°-tan³10°)/(1-3tan²10°) is equal to
- If cos θ + sec θ = √2, then the value of cos³ θ+ sec³ θ is:
- Question 7
- Evaluate the following: sin 60° × cos 30° − sin 30° × cos 60°
- What is the value of sin (B – C) cos (A – D) + sin (A – B) cos (C – D) + sin (C – A) cos (B – D)?
- If 4cos²A + 5sin²A = 4.5, then find the value of (sec²A - 1)
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