Chat with our AI personalities
To find an angle without using a calculator, you will need to use a trig identity. Determine which angle it is and use its corresponding trig identity.
there can be more than 1 answer for some trig equations and you must use your knowledge of periodicity to get the answers.
Plumbers commonly need to use fractions in their career. The reason for this is that the pipes that they use is measured primarily in fractions, such as 1 3/4' pipe. Plumbers often have to custom make fittings, which requires them to be able to calculate in fractions in order to get a good fit.
trig
cosine = adjacent/hypotenuse. It can be used as other trig functions can.