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If costheta=2/3 , then 2sec^2theta+2tan^...

If `costheta=2/3` , then `2sec^2theta+2tan^2theta-7` is equal to (a) 1 (b) 0 (c) 3 (d) 4

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If cos theta=(2)/(3), then 2sec^(2)theta+2tan^(2)theta-7 is equal to (a)1(b)0(c)3(d)4

If costheta=2/3 , then find the value of 2sec^(2)theta+2tan^(2)theta-7 .

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