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Mathematics 23 Online
OpenStudy (allen27):

Explain the difference between using the cosine ratio to solve for a missing angle in a right triangle versus using the secant ratio. You must use complete sentences and any evidence needed (such as an example) to prove your point of view.

OpenStudy (phi):

do you have notes that tell you what the secant is ?

OpenStudy (allen27):

yes

OpenStudy (phi):

what is the secant ?

OpenStudy (allen27):

.a straight line that cuts a curve in two or more parts.

OpenStudy (phi):

ok, but there is another definition secant (angle) = side 1 / side 2 where side 1 and side 2 are from ( opposite, adjacent, hypotenuse) what are side 1 and side 2 ?

OpenStudy (phi):

do you know what sides are used for the cosine ?

OpenStudy (allen27):

no

OpenStudy (phi):

have you learned SOH CAH TOA ?

OpenStudy (allen27):

yes

OpenStudy (phi):

which one of SOH CAH TOA is about cosine ?

OpenStudy (allen27):

idk

OpenStudy (allen27):

can u check and see if this is right i just wanna make sure when you know hypotenuse and another side thats opposite to missing angle in a right triangle, you can use 'sin' or 'co-secant' ratios :- sin = opposite/hypotenuse co-secant = 1/sin so, there is no difference. co-secant is just reciprocal of sin. you can use either of them. However you will end up using sine ratio most of the time, as most calculators allow u to get the inverse sin easily without changing settings.

OpenStudy (allen27):

@spongebob.

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