Practice Trigonometry Questions and Answers
- If 1 + sin 2θ = p2 and sin3 θ + cos3 θ = q then Which of the following is true ? 1. q3 – 2p + 3q = 0 2. p3 – 3p + 2q = 0 3. q3 + 2p – 2q = 0 4. ...
- If sin θ and cos θ are the root of standard Quadratic Equation , then which of the following is true ? 1. a2 + b2 - 2ac = 0 2. b2 - a2 + 2ac = 0 3. a...
- If x = 4 cos A + 5 sin A snd y = 4 sin A – 5 cos A, then the value of x2+y2 is :
- If A + B = 450 , then the value of 2(1 + tanA) (1 + tanB) is:
- If A lies in the first quadrant and 6 tan A = 5, then the value of 8 sin A−4 cos A / cos A+2 sin A is :
- What is the value of [(sin x + sin y) (sin x – sin y)]/[(cosx + cosy) (cosy – cosx)]?
- What is the value of [(tan 5θ + tan 3θ)/4 cos 4θ (tan 5θ – tan 3θ)]?
- What is the value of (4/3) cot2 (p/6) + 3 cos2 (150o) – 4 cosec2 45o + 8 sin (p/2)? ...
- What is the value of sin (B – C) cos (A – D) + sin (A – B) cos (C – D) + sin (C – A) cos (B – D)?
- What is the value of cos [(180 – θ)/2] cos [(180 – 9θ)/2] + sin [(180 – 3θ)/2] sin [(180 – 13θ)/2]?
- What is the value of [tan2 (90 – θ) – sin2 (90 – θ)] cosec2 (90 – θ) cot2 (90 – θ)?...
- Two points P and Q are at the distance of x and y (where y > x) respectively from the base of a building and on a straight line. If the angles of elevation...
- cos A (sec A – cos A) (cot A + tan A) = ?
- Take θ = 450
- ABC is an isosceles triangle where AB = AC which is circumscribed about a circle. If P is the point where the circle touches the side BC, then which of the...
- Evaluate 3sin x – 4 sin3 x and figure out the correct answer from below option ?
- ...
- If 0 ≤ θ ≤ 90°, and sin(2 θ +50°) = cos (4 θ + 16°), then what is the value of θ (in degrees)?
- The angle of elevation of the top of a 70 feet tall tower from the initial position of a person on the ground was 30°. She walked towards the tower in a m...
- If 4sin² θ = 3(1+ cos θ), 0° < θ < 90°, then what is the value of (2tan θ + 4sinθ - secθ)?
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