A shadow of a tower standing on a level ground is found to be 40√3 meters longer when the Sun's altitude is 30° than when
it is 60°. The height of the tower is:
If sec 44 cosec (3A-50°), where 44 and 34 are acute angles, find the value of A + 75.
Two angles are complementary. The larger angle is 6º less than thrice the measure of the smaller angle. What is the measure of the larger angle?
The value of 4cos243∘−5+4cos247∘sin252∘+2+sin238∘
Find the value of Sec (-30o)+tan(-60o)
If cot A = tan(2A - 45°), A is an acute angle then tan A is equal to:
If tanθ + cotθ = 2 and θ is acute, then the value of tan100θ +cot100θ is equal to:
(tan57° + cot37°)/ (tan33° + cot53° ) =?
If tanθ=43 and θ is acute, then what is the value of sin θ
Find the value of
Sin0o×sin1o×sin2o×sin30...............Sin890is
If tan 45o + sec 60o = x, fine the value of x.
Cos1o.cos2o.cos3o.......................cos100o is equal to
Find the value of tan 8° tan 22° cot 60° tan 68° tan 82°
What is the value of cos[(180° – θ)/2].cos[(180° – 9θ)/2] + sin[(180° – 3θ)/2].sin[(180° – 13θ)/2]?
In the given figure ∠ABC=∠ABD,BC=BDthen△CAB=△___________
What is the area of an equilateral traingle whose each side is 14 cm long?
Express sin θ in terms of cot θ, where θ is an acute angle.
In the adjoining figure line l is parallel to m. What is the value of 2x+y ?
Find the value of cos 120° cos 240° cos 180° cos 60°.
Find (1 - cos² θ)(cot²θ + 1) - 1.
Find the value of cot2θ−cos2θ.
Find cos4A−sin4A.
The least value of 8 cosec2θ + 25 sin2 θ is:
If 4 cos2θ - 3 sin2θ + 2 = 0, then the value of tanθ is (where 0 ≤ θ < 90°)
Find the value of 1+tan60∘tan15∘tan60∘−tan15∘
What is the value of cot 35° cot 40° cot 45° cot 50° cot 55°?
Find x if 2sin2x - 1 = 0
If Cos 3θ = Sin (θ - 34°), then the value of θ as an acute angle is:
Find the Value ofsin60∘+cos60∘cos30∘−sin30∘
Find x if sinx=21
If xsin30°cos60° = sin45°cos45°, then the value of x is:
The value of sin238° – cos252° is:
If 4θ is an acute angle, and cot 4θ = tan (θ - 5°) , then what is the value of θ?
If sec3x = cosec(3x - 45°), where 3x is an acute angle, then x is equal to:
The value of tan60∘cosec245∘−sec260∘tan45∘cosec230∘sin245∘+sec260∘ is:
If 3 sec2 x - 4 = 0, then the value of x (0 < x < 90°)
In the given figure, if PQ = 13 cm and PR = 12 cm then the value of sin θ + tan θ = ?
Find the value of sin235° + sin255°
IOf tanθ=2120, then the Value of Sinθ+CosθSinθ−Cosθ