Trigonometry
Trigonometry is the study of triangle, in which side and angles are studied . There are three sides and three angles in a triangle . Trigonometry is basically used in right angle triangle .
Revision Note:-
A. Acute Angle :- angles whoes value exists between 0' and 90` ∡
B. Right Angle:- Angle whoes value is 90` known as right angle.
C. Right Angle Triangle:- A Triangle in which one angle is right angle or 90` is called right angle Triangle.
D. Pythagoras Theorem :-
(Hyp.)^2 = ( base)^2 + ( height )^2
कर्ण ]२ = आधार }२ + लंब )२
E. Trigonometric Identities :-
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