trig (angles of any magnitude) | Mathematics | Page 1

quartz grove May 6, 2023, 9:48 AM

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havent done any trig in a long time need help with how to do this question

frozen nest May 6, 2023, 9:50 AM

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sin( 90 - theta) = costheta
so cos55 = sin(90-55)
= sin 35
sin35/cos35 = tan35

grizzled hound May 6, 2023, 9:51 AM

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sin(90-x) = cos(x)
tan(x) = sin(x)/cos(x)

cos(55) = sin(90-55) = sin(35)
cos(55)/cos(35)
= sin(35)/cos(35)
= tan(35)

quartz grove May 6, 2023, 9:51 AM

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alr thanks to both of you guys

grizzled hound May 6, 2023, 9:52 AM

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urwelcome

unique salmon May 7, 2023, 5:09 AM

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+close

#trig (angles of any magnitude)