Sin3A... Cos3A.. Formula proved...

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Maths. All solution maths trigonometry class10.Trigonometrical functions Trigonometrical identities Proving simple identities based on th above trigonometrically ratios of complementary angle. Simple problem based on above
HEIGHTAND DISTANCE
Simple problem based on heights and distances based on angles
MENSURATION
Area of Circle :- Area of circle, area of sector of a circle.
(ii) Cube and cuboid :- Concept of cube cuboid and its four walls, diagonal, surface area and volume.
(iii) Cylinder Cone and Sphere - Cylinder, Hollow cylinder, sphere, spherical shell, cone surface areas, whole surface area and volumes.
(iv) Frustum of a cone, Problem involving converting one type of metallic solid in to another and other mixed problems. Problems with combination of not more than two different solids be taken.
Note :- Use Vedic Mathematics Methods for Calculating Problems of Commercial Maths and mensuration
STATISTICS & PROBABILITY
Mean, Median and Mode. living index problems related to cost of living index (only). Classical definition of Probability Connection with Probability as given in Class IX Simple Problems on Single events, not using set notation.

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