I need help with my trig. homework.

Mathematics
Tutor: None Selected Time limit: 1 Day

Determine the functions of these angles. Present your answer with four decimals.

a. tan 43°

b. sin 78° 43'

c. cos 88.430°

d. sin 39°42'18"

e. cot 71.276°

f. sec 39°42'

Apr 14th, 2015

a.  0.9325

b.  0.9807

c.  0.0274

d.  0.6388

e.  0.3389

f.  1.2997

Apr 14th, 2015

Hi Mr. Vincent,

I am not sure how this work but are you able to describe to me just briefly how you came up those answer? I am not sure what is free on this web site and what is not.

Apr 14th, 2015

Yes.

a. that's just a straight tan calculation with your calculator

b. you have to convert minutes into degrees by dividing the minutes by 60 and then take the sine

c. that's just a straight cosine calculation with your calculator

d. you have to convert minutes and seconds into degrees by dividing the seconds by 60 to get minutes and then dividing the minutes by 60 to get degrees

e.  use your calculator

f.  convert minutes into degrees and then use your calculator

Apr 14th, 2015

Thank you for your help.

Apr 14th, 2015

you're welcome

Apr 14th, 2015

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