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

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

Csc 520° is equal to

What is the sine of 820°?

The logarithm of the negative number is

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

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

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

Napierian logarithms have a base closest to which number?

The logarithm of 1 to any base is

Sin (270° + β) is equal to

The sum of the angles in an octant spheric triangle is

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

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

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

Log M - log N id equal to

The other form of loga(N) = b is

The point of concurrency of the altitude of the triangle.

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

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

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

The inverse function of a logarithm is known as

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

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

Who invented logarithms in 1614?

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

Napierian logarithm has a base of

Log x = _________ ln x.

lnx = ________ logx

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

the integral part of a common logarithm is

The mantissa of a logarithm is

For 0 < x < 1, ln x is

If < N < 10, then

To change loga to logb N, multiply loga N by

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

Logarithm using 10 as base .

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

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

The characteristic of a logarithm is 3. The number between

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

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

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)?

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

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

An angle equal to revolution of 360°

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

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

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.

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

A triangle with no side equal is known as

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

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

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

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

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

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

Indicate the false statement:

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

The most proved theorem in Mathematics

The least proved theorem in Mathematics.

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

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

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

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

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

The maximum value for the longitude is

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

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

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

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

The radius of the earth used in spherical trigonometry is

The difference between a nautical mile and a statute mile.

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 earth is divided into how many time zone?

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

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?

Which of the following statements is false about spherical trigonometry?

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

The sum of any two angles of a spherical triangle is

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

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

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

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

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

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

The point that is diametrically opposite the zenith is called

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

An oblique equilateral parallelogram:

Mil is a unit of

The maximum value of a latitude is

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