Practice Trigonometry Questions and Answers
- if x sin 45 Λ Β = y cosec 30 Λ Β then find the value ofΒ Β ...
- if a sin 45 Λ = b cosec 60 Λ then find the value of aβ΄/bβ΄ ...
- ifΒ 8 sin 2 x + 3 cos 2 x = 4 Β then find tan x
- ifΒ 7 sin 2 x + 2 cos 2 x = 4 Β then find tan x
- If sec x + tan x = 11 then find secx?
- If sin(x-y) = 1 Β and cos(x+y) = 1 /β2 Β then what is measure of angle x.
- If asinx +b cosx = c then find the value of acosx - bsinx =?
- sin10Λ x sin20Λ x sin40Λ =?Β
- If sin A - cos A = 3/7, then find value of sinA + cos B,Β where A is an acute angle.
- If sin Ξ± + cos Ξ² = 2 (0Λ β€ Ξ² < Ξ± β€ 90Λ), then sin[(2Ξ± + Ξ²)/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 45Λ + 2 tan 135Λ is β
- cos (sec-1 x) is equal to β
- Β Β Β
- If 1 + sin 2ΞΈ = p2 and sin3 ΞΈ + cos3 ΞΈ = q then Which of the following is true ?Β 1. q3 β 2p + 3q = 0 2. p3 β 3p + 2q = 0 3. q3 + 2p β 2q = 0 4. ...
- If sin ΞΈ and cos ΞΈ are the root of standard Quadratic Equation , then which of the following is true ? 1. a2 + b2 - 2ac = 0 2. b2Β - a2Β + 2ac = 0 3.Β 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 β sin y)]/[(cosx + cosy) (cosy β cosx)]?
- What is the value of [(tan 5ΞΈ + tan 3ΞΈ)/4 cos 4ΞΈ (tan 5ΞΈ β tan 3ΞΈ)]?
- What is the value of (4/3) cot2Β (p/6) + 3 cos2Β (150o) β 4 cosec2Β 45oΒ + 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 [tan2Β (90 β ΞΈ) β sin2Β (90 β ΞΈ)] cosec2Β (90 β ΞΈ) cot2Β (90 β ΞΈ)?...
- 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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