Differentiability of a Function – Differentiable vs Continuous

Here, you will learn differentiability of a function and differentiability at a point and over an Interval. Let’s begin – Meaning of Derivative The instantaneous rate of change of a function with respect to the dependent variable is called derivative. Let ‘f’ be a given function of one variable and let \(\Delta\)x denote a number …

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Conditional Trigonometric Identities – Maximum & Minimum Value

Here, you will learn conditional trigonometric identities and maximum and minimum value in trigonometry. Let’s begin – Maximum and Minimum values in Trigonometry Expressions : (i)  acos\(\theta\) + bcos\(\theta\) will always lie in the interval [-\(\sqrt{a^2+b^2}\), \(\sqrt{a^2+b^2}\)] i.e. the maximum and minimum values are \(\sqrt{a^2+b^2}\), -\(\sqrt{a^2+b^2}\) respectively. (ii)  Minimum value of \(a^2tan^2\theta\) + \(b^2\tan^2\theta\) = …

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Trigonometric Identities for Class 10th – Formulas

Here, you will learn various trigonometric identities for class 10th and formulas of trigonometry. Let’s begin- In a right angle triangle sin\(\theta\) = \(p\over h\); cos\(\theta\) = \(b\over h\); tan\(\theta\) = \(p\over b\); cosec\(\theta\) = \(h\over p\); sec\(\theta\) = \(h\over b\) and cot\(\theta\) = \(b\over p\) where ‘p’ is perpendicular ; ‘b’ is base and …

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