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Mathematics 19 Online
OpenStudy (anonymous):

Find the secant of both angle A and angle B. Image attached.

OpenStudy (anonymous):

OpenStudy (anonymous):

SOHCAHTOA sin = Opposite / Hypotenuse cos = Adjacent / Hypotenuse tan = Opposite / Adjacent

OpenStudy (anonymous):

Also sec = H/A csc = H/O cot = A/O

OpenStudy (anonymous):

What does A stand for?

OpenStudy (anonymous):

Adjacent

OpenStudy (anonymous):

ok, what does adjacent mean?

OpenStudy (anonymous):

"next to" I'll explain it this way: on that triangle, look at angle B. There is a short side next to it and a short side across from it. Those are the ADJACENT and OPPOSITE sides, respectively. The hypotenuse is of course the longest side.

OpenStudy (anonymous):

And if you want to get anywhere at all in trigonometry you HAVE TO HAVE TO HAVE TO memorize SOHCAHTOA. Absolute MUST.

OpenStudy (anonymous):

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OpenStudy (anonymous):

do you mind showing me step by step how to find the secant of this triangle?

OpenStudy (anonymous):

secant of angle A = length of hypotenuse / length of adjecent side plug in the numbers.

OpenStudy (anonymous):

|dw:1365184641018:dw|

OpenStudy (anonymous):

Ok I did that

OpenStudy (anonymous):

use the equation editor below and enter the equation exactly as you have

OpenStudy (anonymous):

26/24= 1.08

OpenStudy (anonymous):

good. that is the value for sec A

OpenStudy (anonymous):

So is that all you do for secant A?

OpenStudy (anonymous):

same thing for "B" but notice that the adject and opposite sides for "B" would change.

OpenStudy (anonymous):

that is it. :) you do not have to do a lot

OpenStudy (anonymous):

is it hard to believe that math is simple?

OpenStudy (anonymous):

Thank you very much for helping me!

OpenStudy (anonymous):

Don't forget to memorize SOHCAHTOA.

OpenStudy (anonymous):

Ok, I will. Thank you very much.

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