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)

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Mar 18, 2015 · If you want to get $\sec^2(0)$, you should first notice that $\sec^2(0)=\dfrac1{\cos^2(0)}$. I would, then, first get $\cos(0)$, and then press the x^2 and 1/x buttons. (Or, on a graphing calculator, I would just type in 1/cos(0)^2 or something similar.

The exact value of sec(0) sec (0) is 1 1. One to any power is one. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

What is the value of sec^2 (0) ?

Factor sec(x) sec (x) out of sec2(x)−2sec(x) sec 2 (x) - 2 sec (x). Tap for more steps... sec(x)(sec(x)− 2) = 0 sec (x) (sec (x) - 2) = 0. If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. Set sec(x) sec (x) equal to 0 0 and solve for x x. Tap for more steps... No solution.

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What is the value of sec (2) (0) ?

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Introduction to secant squared formula to expand sec²x function in terms of tan and proof of sec²θ identity to prove square of sec function in trigonometry.