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secondary 3 | E Maths
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Further trigonometry pls help
Date Posted: 3 years ago
Views: 196
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done
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clear
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There you go! Don’t know how that guy below got that answer lmao
Date Posted:
3 years ago
Hahaha my bad didn’t inverse when using the calculator
You missed one answer.
180 - sin-1 (12/15) is also a possible angle.
sin angle = 12/15
angle
= sininv (12/15) (for acute) or 180 - sininv (12/15)
= 53.13... or 180 - 53.13...
~ 53.1 or 126.9
(all my angle measurements are in degrees)
180 - sin-1 (12/15) is also a possible angle.
sin angle = 12/15
angle
= sininv (12/15) (for acute) or 180 - sininv (12/15)
= 53.13... or 180 - 53.13...
~ 53.1 or 126.9
(all my angle measurements are in degrees)
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