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. Ther..
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. Ther..For any two angles A and B
(i) sin(A + B) sin(A - B) = sin 2 A - sin 2 B = cos 2 B - cos 2 A (ii) cos(A + B) cos(A - B) = cos 2 A - sin 2 B = cos 2 B - sin 2 A [The proofs of the above identities are same as for Circular function..
Question 2
Question: Answer: ..
Question: Answer: ..Question 2
Question: The wheel of railway carriage is 90 cm in diameter and makes 3 revolutions in a second. How fast is the train moving? Answer: = 30.55 km/hr Note: 1m = 100cm 1km = 1000m = (1000)(100) = 100000 cm..
Question: The wheel of railway carriage is 90 cm in diameter and makes 3 revolutions in a second. How fast is the train moving? Answer: = 30.55 km/hr Note: 1m = 100cm 1km = 1000m = (1000)(100) = 100000 cm..Example 2:
Prove the following equation..
Prove the following equation..Theorem 2
General solution of cos q = ..
Theorem 2
General solution of cos q = ..
Values of trigonometric ratios of 180 (P), 360 (2P)
f) cosec 180 o and cot 180 o are not defined. g) cosec 360 o and cot 360 o are not define..
f) cosec 180 o and cot 180 o are not defined. g) cosec 360 o and cot 360 o are not define..Trigonometry
Trigonometry..
Trigonometry..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..
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