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CLASS_10 #TRIGONOMETRY INTRODUCTION PART=2 #cbse #maths #icse #bseb #Kotaclassesmirganj by amit sir
Trigonometry is a branch of mathematics that studies the relationships between the angles and sides of triangles. The word trigonometry comes from the Greek words trigonon (triangle) and metron (measure).
Here are some things to know about trigonometry:
Trigonometric functions
The two main trigonometric functions are sin(x) and cos(x). These functions relate the angles of a right triangle to the ratios of its side lengths. Other trigonometric functions include tan(x), cosec(x), sec(x), and cot(x).
Trigonometric identities
These are equations that hold true for all angles involving different trigonometric ratios.
Inverse trigonometric functions
These are the inverse functions of the six basic trigonometric functions. They are also known as "arc functions".
Applications
Trigonometry is used in many fields, including astrophysics, carpentry, oceanography, and engineering. It's a versatile tool because it can mathematically describe repeating motions.
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