If there is no stop-over at Dubai, and the average speed of the airplane is 500km/hr, the total time taken for the plane to fly from Lagos to Kuala Lumpur via Dubai is approximately
sin 38° has the same value as
A motorist travels from Abuja on a bearing of 150° to Kaduna 40 km away.
From Kaduna he travels to Lagos on a bearing of 210°.
If Lagos is located directly South of Abuja, how far is Lagos from Abuja?
If the radius of the earh is 6,370 km, the distance between two towns on latitudes 25°N and 20°S on the same meridian is (π = 22/7)
Sin 38° has the same value as
From an observation point close to the edge of the sea, a ship is 14 km away on a bearing of 130°.
A second ship is 48 km away on a bearing of 220º.
The distance separating the ships is
Given that sin θ = 4/5,
the value of (1 - cos²θ)
for 0°< θ < 90° is
The pilot of an airplane flying at an altitude of 2 km observes a landmark at an angle of depression of 25°.
A few seconds later, he observes the landmark at an angle of depression of 50°. The distance between the two points of observation in km is
The bearing of a point P from a point Q is 065°.
What is the bearing of Q from P?
If the radius of the earth is 6,370 km, the distance between two towns on latitudes 25°N and 20°S on the same meridian is (π = 22/7)
Three cities London, Seoul and Harare are such that Seoul is located 50 km away from London on a bearing of 065°.
Harare is 100 km away from London on a bearing of 305°.
The distance between Seoul and Harare is
Cotonou and Niamey are on the same line of longitude and Niamey is 7°N of Cotonou.
If the radius of the earth is 6400 km,
how far is Niamey North of Cotonou along the line of longitude in km, π = 22/7
The values of tan 225° and tan 315° are respectively
Solve the equation
4sinθ - 1 = -3
for 0° < θ < 2π
If tan θ = 2/3,
then sec²θ equals
Three cities Cape Town, Prague and Tbilisi are such that Prague is located 50 km away from Cape Town on a bearing of 065°.
Tbilisi is 100 km away from Cape Town on a bearing of 305°.
The bearing of Tbilisi from Prague is approximately
If tan θ = 5/12,
then the value of sin θ - cos θ is
Amanda walks 30 m from a point P on a bearing of 040º to a point Q.
She then walks 30 m on a bearing of 140º to a point R.
What is her bearing from P to R?
The value of
1 + sec²60° is
Two towns are θ° apart on the same meridian.
If the earth's radius is 6,370 km π = 22/7,
their distance apart in km is approximately
The value of
2cos 270° + sin 270° is
If cos θ = 4/5,
then for 0° < θ < 90°,
tanθ is equal to
Which of the following have the same value as sin 15°?
I. sin 165°
II. sin 285°
III. sin (-15°)
IV. sin (-195°)