TOPICS
Formulae
Table of Angles :-
NCERT Math
    
Table of Angles :-
NCERT Math
    
Table of Angles :-
   P = Perpendicular, B = Base, H = Hypotaneous
1. sin A = P/H  
2. cos A = B/H
3. tan A = P/B
4. cot A = B/P
5. sec A = H/B
6. cosec A = H/P
    
Trigonometric Ratios :-
1. sin (90° – A) = cos A 
2. cos (90° – A) = sin A
3. tan (90° – A) = cot A
4. cot (90° – A) = tan A
5. sec (90° – A) = cosec A
6. cosec (90° – A) = sec A
    
Trigonometric Identities :-
1. sin² A + cos² A = 1
2. cos² A = 1 - sin² A
3. sin² A = 1 - cos² A
4. sec² A - tan² A = 1
5. sec² A = 1 + tan² A
6. tan² A = sec² A - 1
7. cosec² A - cot² A = 1
8. cosec² A = 1 + cot² A
9. cot² A = cosec² A - 1
    
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