solve, for 0< a < 360, the equation 2tan squared a + sec a = 1 any help would be much appreciated, thanks
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Originally Posted by Oranges&Lemons solve, for 0< a < 360, the equation 2tan squared a + sec a = 1 any help would be much appreciated, thanks Substitute $\displaystyle \tan^2 a = \sec^2 a - 1$ and re-arrange to get a quadratic in sec a ......
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