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Mathematics, 05.05.2020 08:55 Dianar8407
Angle X is an acute angle in a right triangle. If cosX = 4/5 then sinX = 2/5. True or False
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You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?
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Angle X is an acute angle in a right triangle. If cosX = 4/5 then sinX = 2/5. True or False...
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