Please select a subject first
Advertisements
Advertisements
If `sin A - sqrt(6) cos A = sqrt(7) cos A`, then `cos A + sqrt(6) sin A` is equal to ______.
Concept: undefined >> undefined
If sin A + sin B + sin C = 3, then cos A + cos B + cos C is equal to ______.
Concept: undefined >> undefined
Advertisements
In a ΔPQR, if 3 sin P + 4 cos Q = 6 and 4 sin Q + 3 cos P = 1, then ∠R is equal to ______.
Concept: undefined >> undefined
The value of cos (270° + θ) cos (90° – θ) – sin (270° – θ) cos θ is ______.
Concept: undefined >> undefined
The value of the expression sin6 θ + cos6 θ + 3 sin2 θ . cos2 θ is ______.
Concept: undefined >> undefined
The value of sin 930° is ______.
Concept: undefined >> undefined
The value of cos(– 870°) is ______.
Concept: undefined >> undefined
The value of sin 135° cosec 225° tan 150° cot 315° is ______.
Concept: undefined >> undefined
The value of `(cos(90^circ + θ) sec(-θ)tan(180^circ - θ))/(sec(360^circ - θ)sin(180^circ + θ)cot(90^circ - θ))` is ______.
Concept: undefined >> undefined
The value of tan 315° cot(– 405°) + cot 495° tan (– 585°).
Concept: undefined >> undefined
The value of sin 150° cos 120° + cos 330° sin 660° is ______.
Concept: undefined >> undefined
The value of `2 sin^2 π/6 + "cosec"^2 (7π)/6 cos^2 π/3` is ______.
Concept: undefined >> undefined
cos2 5° + cos2 10° + cos2 15° + .... + cos2 85° + cos2 90° is equal to ______.
Concept: undefined >> undefined
The greatest value of the term independent of x in the expansion of (x sin p + x–1 cos p)10, p ∈ R is ______.
Concept: undefined >> undefined
If A = `[(1, 0, 0),(0, 1, 0),("a", "b", -1)]` and I is the unit matrix of order 3, then A2 + 2A4 + 4A6 is equal to ______.
Concept: undefined >> undefined
cos 1°. cos 2°. cos 3° ...... cos 179° = ______.
Concept: undefined >> undefined
The area (in sq. units) of the region {(x, y) : y2 ≥ 2x and x2 + y2 ≤ 4x, x ≥ 0, y ≥ 0} is ______.
Concept: undefined >> undefined
The order and degree of the differential eqµation whose general solution is given by `(d^2y)/(dx^2) + (dy/dx)^50` = In `((d^2y)/dx^2)` respectively, are ______.
Concept: undefined >> undefined
Which of the following is not continuous for all x?
Concept: undefined >> undefined
The area bounded by the curve | x | + y = 1 and X-axis is ______.
Concept: undefined >> undefined
