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Solved Examples
Solved Examples - At a point 50 m from the foot of a building, the angle of elevation of the top of the building is 70 o 36 ' . Find the height of the building. BC is the building. A is the observer. AC is its distance of the building from the observer. is the angle of elevatio..
Solved Examples - At a point 50 m from the foot of a building, the angle of elevation of the top of the building is 70 o 36 ' . Find the height of the building. BC is the building. A is the observer. AC is its distance of the building from the observer. is the angle of elevatio..Solved Examples
1. At a point 50 m from the foot of a building, the angle of elevation of the top of the building is 70 o 36 ' . Find the height of the building. 2. The shadow of a vertical lower on level ground increased by 10 m when the altitude of the sun changed from 45 o to 30 o . Using the give..
Trigonometry
Solving Trigonometric Equations - Solution of trigonometric equation is value of the unknown angle that satisfies the equatio..
Trigonometry
Trigonometry - With trigonometry we can find the height of a building or the width of a river without actually climbing or crossing. Certain basic definitions are necessary to further develop this subject. The ratios of two sides of a triangle are taken. There are six ..
Trigonometry - With trigonometry we can find the height of a building or the width of a river without actually climbing or crossing. Certain basic definitions are necessary to further develop this subject. The ratios of two sides of a triangle are taken. There are six ..Trigonometry XI Introduction
Trigonometry - is that branch of mathematics which deals with the measurement of sides and angles of triangles. The word, trigonometry is derived from Greek, which means the measure of triangles. This subject was originally developed to solve problems in astr..
Example:
Solve the triangle ABC, given a =18, A = 25 o , B = 108 o..
Fig (c)
Figures (a) and (b) show its two triangles. Figure (c) shows two triangles superimposed and suggests a geometric method of drawing the two triangles. From figure (c), it is evident that if b < c sinB, there is no triangle. The following rules may be used to solve a triangle with given..
Solution of Right Angled Triangles
To solve a right angled triangle, we need to find out the unknown sides and the angles with the help of t-ratios. To find a side, usually we take such t-ratios that involve the unknown sides. We have taken A because, the side opposite to A is the unknown side. By this ..
Case 3:
To solve a triangle having given two angles and a side. Let the given parts be denoted by B, C, a, then the third angle A can be found from the relation. Similarly, c can be found from the equation. log c = log a + log sin C - log sin..
To solve a triangle having given two angles and a side. Let the given parts be denoted by B, C, a, then the third angle A can be found from the relation. Similarly, c can be found from the equation. log c = log a + log sin C - log sin..Question 1
Question: Answer: Solve the equations sec q + tan q = x ....(1) ..
Question: Answer: Solve the equations sec q + tan q = x ....(1) ..See what our Users say :
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