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Trigonometry Formulas class-10

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Trigonometry Formulas class-10  Consider a right-angled triangle have angle ∠θ, then sin θ= Perpendicular / Hypotenuse = P/H Cos θ=Base / Hypotenuse = B/H Tan θ= Perpendicular / Base = P / B Cosec θ=1/sin θ Sec θ=1/cosθ Cot θ=1/tan θ Tan θ=Sin θ / Cos θ sin θ= Perpendicular / Hypotenuse = P/H Cos θ=Base / Hypotenuse = B/H Tan θ= Perpendicular / Base = P / B Cosec θ=1/sinθ Sec θ=1/cosθ  Cot θ=1/tanθ Tan θ=Sin θ / Cos θ  C o t   T a n   θ = S i n   θ / C o s   θ Trigonometry Table: Angle 0° 30° 45° 60° 90° Sinθ 0 1/2 1/√2 √3/2 1 Cosθ 1 √3/2 1/√2 ½ 0 Tanθ 0 1/√3 1 √3 Undefined Cotθ Undefined √3 1 1/√3 0 Secθ 1 2/√3 √2 ...

Surface area and Volume Class-10 Formulas

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Surface area and Volume Class - 10 Formulas Sphere Formulas   Diameter of sphere 2r Surface area of sphere 4 π r 2 Volume of Sphere 4/3 π r 3 Cylinder formula     Curved surface area of Cylinder   2 πrh Area of two circular bases   2 πr2 Total surface area of Cylinder   Curved surface area of Cylinder + Area of Circular bases = 2 πrh + 2 πr2 Volume of Cylinder   π r2 h Cone Formulas   Slant height of cone l = √(r 2  + h 2 ) Curved surface area of cone πrl Total surface area of cone πr (l + r) Volume of cone ⅓ π r 2  h Cuboid Formulas   ...