The logarithm of 1 to any base is

The right triangle whose length of sides may be expressed as ratio of integral units.

The characteristic of a logarithm is 3. The number between

The maximum value of a latitude is

How many formulas may be derived from using Napier's Rules?

The point where a ray from the center of the earth through an observer's position on it intersects the celestial sphere is call the observer's

Refers to the angular distance from the equator measured along meridian.

The altitude of the sides of the triangle intersects at the point known as

When a logarithm is expressec as an integer plus a decimal (between 0 and 1), the integer is called

The cologarithm of a number is the ______ of the logarithm of a number.

Spherical degree is a unit of a spherical area taken as 1/720 of the surface of the sphere. Howany spherical degrees a hemisphere have?

Csc 520° is equal to

The great circles through the north and south celestial poles are called

When the hypotenuse of a right spherical triangle is less than 90°.

The angle which the line of sight to the object makes with the horizontal is below the eye of an observer.

Sin A cos B - cos A sin B is equivalent to:

The logarithm of a number to the base e (2.7182... .) is called

What is the sine of 820°?

The most proved theorem in Mathematics

Manila has a longitude of 121°°05'E. What is the time difference between Manila and Greenwich l, England which is at prime meridian?

The difference between a nautical mile and a statute mile.

The first table logarithms with 10 as base was developed in 1615 by

The characteristic is ____ the exponent of 10, when the number is written in scientific notation.

The angle which the line of sight to the object makes with the horizontal which os above the eye of the observer is called

Given the sides of a triangle as 3m and 5m. The third side is

An oblique equilateral parallelogram:

If the unknown is a conditional equation occurs as an exponent, the best way to solve the unknown is by

The characteristic is equal to the exponent of 10, when the number is written in

Mil is a unit of

Napierian logarithms have a base closest to which number?

Who invented logarithms in 1614?

The radius of the earth used in spherical trigonometry is

A straight from the vertex of a triangle to the midpoint of the opposite side is known as

Angles of rotation with the same initial side and terminal side.

The numbers loga(b) and logb(a) are

For 0 < x < 1, ln x is

The angle which the line of sight 'to the object makes with the horizontal is above the eye of an observer.

The earth is divided into how many time zone?

The number loga(b) is called the ____ of the system of a base a with respect to the system of base b.

Which of the following is not a secondary part of a triangle?

The least proved theorem in Mathematics.

The point of concurrency of the angle bisector of the triangle is called

Sin (270° + β) is equal to

Which of the following statements is false about spherical trigonometry?

lnx = ________ logx

A triangle with no side equal is known as

In an iscosceles right triangle, the hypotenuse is ________ times as long as each of the legs.

The sum of the angles in an octant spheric triangle is

A spherical triangle with at least one side is a quarter of a great circle is called ______ spherical triangle.

Napierian logarithm has a base of

Is half if a great circle terminated by the North Pole and South Pole.

Which of the following is not a property of a triangle?

When the hypotenuse of a right spherical triangle is greater than 90°>

A spherical triangle with all angles equals to a right triangle is called _____ spherical triangle?

The case of the solution of the triangle in the plane where the given data lead to two solutions.

Napier's rule states that the sine of any middle part is equal to the product of the ____ of the adjacent parts.

The inverse function of a logarithm is known as

If R is the radius of a sphere and E is an spherical excess (in radians), then the area of a spherical triangle is

Indicate the false statement:

One minute of the great circle arc on the surface of the earth is equivalent to

The sum of the sides of a spherical triangles is always less than

The logarithm of a product is the _____ of the logarithms, and the logarithm of a quotient is the ________ of the logarithms.

The sum of any two angles of a spherical triangle is

The mantissa of a logarithm is

The other form of loga(N) = b is

The triangle inscribed in a given triangle whose vertices are the feet of the three perpendiculars to the sides from some point inside, the given triangle.

To change loga to logb N, multiply loga N by

The logarithm of the reciprocal of N is called the _______ of N.

The sum of the squares of the sine and cosine of an angle.

In a spherical triangle, two angles (or side) are on the same species if they are both.

Which of the following cannot be a base for a logarithm.

Tha characteristics of the common logarithm of a number greater than 1 is

The logarithm of the negative number is

Logarithm using 10 as base .

Refers to the angle at either pole between the meridian passing through a point and some fixed meridian known as the prime meridian.

Log M - log N id equal to

If two triangles have congruent bases, then the ratio of their areas equals the ratio of

the integral part of a common logarithm is

One of the two great circles intersecting at right angle at the piles and dividing equinoctial points and ecliptic into 4 parts.

An angle equal to revolution of 360°

Equations used for checking the solution to a plane triangle using law of sine's are as follows: (a+b)/c=cos(1/2)(A-B)/sin(1/2)C and (a-b)/c=sin(1/2)(A-B)/cos(1/2)C. These equations are called

If < N < 10, then

The point of concurrency of the altitude of the triangle.

Log x = _________ ln x.

The maximum value for the longitude is

The point that is diametrically opposite the zenith is called

The angular distance of a point on the terrestrial sphere from the north pole is called

The sum of all interior angles in a spherical triangle is always

Napier's rule states that the sine of any middle part is equal to the product of the __________ of the adjacent parts.

If logarithm to base 10 (denoted as log10) is called common logarithm is called natural logarithm, what do you call the logarithm of base 2 (denotes as lb)?

The point of concurrency of the perpendicular bisector of the sides of the triangle.

The median of a triangle is the line connecting the vertex and the midpoint of the opposite side. For a given triangle, these medians intersects at a point which is called the