02. TRIGONOMETRIC TABLE & ANGLE FORMULAS II 11 , 12 , NEET & JEE II RBSE II CBSE II RAHUL SABLANIA

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class 11th physics , physics by Rahul Sablania , new video , education , RBSE board, CBSE board, basic FORMULAS
sin A = Perpendicular/ Hypotenuse
cos A = Base/ Hypotenuse
tan A = Perpendicular/ Base
cos2 A + sin2 A = 1
1 + tan2 A = sec2 A
cot2 A + 1 = cosec2 A
sin(90∘−A) = cos A
cos(90∘−A) = sin A
tan(90∘−A) = cot A
cot(90∘−A) = tan A
sec(90∘−A) = cosec A
cosec(90∘−A) = sec A
sin² θ + cos² θ = 1
sin² θ = 1 - cos² θ
cos² θ = 1 - sin² θ
cosec² θ - cot² θ = 1
cosec² θ = 1 + cot² θ
cot² θ = cosec² θ - 1
sec² θ - tan² θ = 1
sec² θ = 1 + tan² θ
tan² θ = sec² θ - 1
sin θ cosec θ = 1
cos θ sec θ = 1
tan θ cot θ = 1

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