#how do u do this non calc

30 messages · Page 1 of 1 (latest)

bright acorn
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Help me with this pls

severe pivot
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You need to know some of the exact trig values

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sin(60) is one of those trig values you’re expected to memorise

wind yoke
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yeah it's not in decimals

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its root3/2

bright acorn
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Then what

wind yoke
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no the asnwer is root3

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thats the exact value

hasty grotto
severe pivot
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when you have the value for sin(60) which you will need to memorise, you need to multiply it by 2 to get the value for x since you rearranged the equation to be in terms of x and there is a 2 in fromt of the sin(60) now

maiden void
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for trig values remember than sin x = cos (90-x)

remote path
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Too long 😭😭

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I just use the hand rule

grand karma
wide jolt
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Learning the triangles is the easiest way ngl

grand karma
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I was never taught it

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Skfbskfbdkfkdi

remote path
remote path
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I CBA to explain

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I seen link

grand karma
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Help i forgot i can use yt

remote path
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Exact Trig Values - Hand Trick | Trigonometry | Maths | FuseSchool

There are some key angles that have exact values in trigonometry. The ones we need to know are 0, 30, 45, 60 and 90.

In this video, we will discover one method to remember what these values are: by counting fingers on our hand!

In the first part we explored a different metho...

▶ Play video
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@grand karma

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I low-key forgot to send it

grand karma
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LOL THANKSS