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Multiply 2 2 by 2 2. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

To solve a trigonometric simplify the equation using trigonometric identities. Then, write the equation in a standard form, and isolate the variable using algebraic manipulation to solve for …

x^{2}-x-6=0 -x+3\gt 2x+1 ; line\:(1,\:2),\:(3,\:1) f(x)=x^3 ; prove\:\tan^2(x)-\sin^2(x)=\tan^2(x)\sin^2(x) \frac{d}{dx}(\frac{3x+9}{2-x}) (\sin^2(\theta))' \sin(120)

Hint : Use the product rule and the chain rule to find f'(x). Plug in x=\pi/2 and evaluate the expression. Solution : f'(x)=\dfrac{d}{dx}(x-1)^2\cdot\sin x+\dfrac{d}{dx}\sin x \cdot (x-1)^2=2(x …

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Sin^2x Formula can be derived from trigonometric identities sin^2x + cos^2x = 1 and cos2x = 1 - 2sin^2x. Using these formulas, the formula for sin^2x are sin^2x = 1 - cos^2x and sin^2x = (1 - …

Use the Pythagorean identity: cos 2 (x) + sin 2 (x) = 1 cos 2 (x) = 1 − sin 2 (x) = 1 − sin 2 (x) − sin 2 (x)