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Find the general solution of sin2x + cosx = 0 ... Hint: First we will use the trigonometric formula sin ⁡ 2 x = 2 sin ⁡ x cos ⁡ x , and then we will take the term ...Read more

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Since, above 1u is in grams we have to convert it into kilograms. Then, Therefore, 1 unified atomic mass (1u) is equal to the 1.66 × 10 − 27 kg . Hence, option ...Read more

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F e + O 2 + H 2 O → F e 2 O 3 . The product is F e 2 O 3 which is chemically known as iron (III) oxide and commonly known as rust.Read more

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In this question, we are given that A + B + C = 180 ∘ . Using this information, we need to prove that sin 2A + sin 2B + sin 2C = 4 sinA sinB sinC. Let us start ...Read more

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The ratio of AaBB, AaBb, and Aabb in the genotype AABb X aaBb is in the proportion of 1:2:1 though genotype aabb is not derived.Read more

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Ethene is an unsaturated hydrocarbon and it is reacted with hydrogen in the presence of a catalyst like nickel and palladium and there is a formation of ...Read more

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Hence 27 x 3 + 8 can be expressed in simplified form as ( 3 x + 2 ) ( 9 x 2 − 6 x + 4 ) . Note: One should remember the expansion formula for addition of cubes, ...Read more

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The general solution to cos ⁡ x = 0.6 is equal to 2 n π ± cos − 1 ( 0.6 ) , where n is any integer number.Read more

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In a triangle ABC , sinA , sinB , sinC are in AP then. The altitudes are in AP The altitudes are in HP The angles are in AP The angles are in HP.Read more

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The exact value of tan 60 degrees is √3, which is approximately equal to 1.732. This value is derived from the trigonometric ratios in a 30-60-90 triangle.Read more

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