Question

12. If 3 cos 0 = 2 then (2sec +2 tane - 7) = ?
(a) o
(b) 1
(c) 3
(d) 4
2
$also \: explain \: me \: please$
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Answer 1

Answer:

If cosθ=23 , then 2sec2θ+2tan2θ-7 is equal to (a) 1 (b) 0 (c) 3 (d) 4

Step-by-step explanation: