Triangle FGH has a right angle at ZG. If cos F
cos F = 12/13, What is the value
of sin ?

A. A zip line begins 50 ft above the ground in an oak tree, crosses a field, and ends in a maple tree. The trees are 125 ft apart. The zip line is at a 15° angle of depression.

A. Find the length of the zip line. Round to the nearest tenth of a foot.

B. What is the height, from
the ground of the endpoint of thezip line?

There is no graph to go along with this

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First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.