Practice Trigonometry Questions and Answers
- The minimum value of 9 cos2 θ + 36 sec2 θ is
- If tan θ + cot θ = 2 where 0 < θ < 90 ; find the value of tan17 θ + cot19 θ.
- If tan θ + cot θ = 2 where 0 < θ < 90 ; find the value of tan30 θ + cot 29 θ.
- if a sin 45 ˚ = b cosec 60 ˚ then find the value of a⁴/b⁴ ...
- if 8 sin 2 x + 3 cos 2 x = 4 then find tan x
- if 7 sin 2 x + 2 cos 2 x = 4 then find tan x
- If sec x + tan x = 11 then find secx?
- If 9 sinx + 40 cosx = 41 then find tanx.
- If sin(x-y) = 1 and cos(x+y) = 1 /√2 then what is measure of angle x.
- If asinx +b cosx = c then find the value of acosx - bsinx =?
- sin10˚ x sin20˚ x sin40˚ =?
- If sin A - cos A = 3/7, then find value of sinA + cos B, where A is an acute angle.
- If sin α + cos β = 2 (0˚ ≤ β < α ≤ 90˚), then sin[(2α + β)/3] =?
- If cos4 B - sin4 B = , then the value of 2 cos2 B - 1 is ...
- If cos4 p - sin4 p = , then the value of 2 cos2 p - 1 is...
- The value of sec2 45˚ + 2 tan 135˚ is –
- cos (sec-1 x) is equal to –
- 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) = ?
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