Solve for secant, cosecant, and cotangent 9 csc 56° = hypotenuse opposite sec 56° = hypotenuse adjacent 9 6 cot 56° = adjacent opposite i dont understand how the fraction equals to the fraction. can someone please explain?

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Planet earth has a mass of 5.9726x10²⁴ kg.then: 5.9726x10²⁴ kg=100% of the total earth mass.if the water´s mass=5x10-4 % of the total mass, we can solve this problem by the rule of three.5.9726x10²⁴ %*10⁻⁴ %x=(5.9726x10²³ kg)(5*10⁻⁴  %) / 100 %=2.9863x10¹⁹ kganswer:   the mass of the planet´s water would be   2.9863 x 10¹⁹ kg.

It means if x is -1 what is y then . check -1 on x axis and then check the value of y when x is -1