Simplify sin θ / square root 1 - sin^2 θ

Recall that

which means

Now, could be positive or negative, which means . If we specifically knew the sign of was positive, then we can simplify and write

or if it's negative,

18

step-by-step explanation:

draw the shape and you will see that f and k are actually at adjacent vertices (points of the hexagon that are neighboring).   so find the distance between (1,2) and (4,2).   that is easy since (1,2) and (4,2) is just a vertical distance to count, which is 3.   it is a regular polygon which means all sides are congruent.   you have 6 sides (hexa) so multiply 6 by 3 to receive 18.

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step-by-step explanation: