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More Trigonometry Questions
- Question 1
- If X = 15°, find the value of: sin²(4X) + cos²(3X) - tan²(2X)
- sin2 7˚ + sin2 9˚ + sin2 11˚ + sin2 12˚ + ……… + sin2 83˚ = ?
- A 16-meter-long rope is stretched from the ground to the top of a house, forming a 30° angle with the ground. Determine the height of the house.
- Find the maximum value of 25 sin A + 11 cos A.
- What is the value of sin (B – C) cos (A – D) + sin (A – B) cos (C – D) + sin (C – A) cos (B – D)?
- The angle of depression of two ships from the top of a light house are 45º and 30º. if the ships are 120m on the opposite sides of light house ap...
- Find the value of sin²40° + sin²50° + cos²60° + cos²30°.
- Find the maximum value of (16sin A + 30cos A).
- Find the value of the given trigonometric expression: (sin 10°cos 80° + cos²10°) × sin 30° + (cos 60°tan 45°) × sec 60°
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