3 years ago

Heyyy please help FACTORISE (x-x)

Mathematics

1 answer:

ratelena [41]3 years ago

8 0

Answer:

The answer is death :/

LOL JK JK JK

The answer is 0

Brainiliest tho?

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Write an expression using all six trigonometric functions such that the value of the expression is 3

nlexa [21]

Take Sin of 5 and subtract Cos 2
Sin 5 Cos -2
5-2=3

5x+3=3

√x=3

2x+5y+(1)z=3

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3 years ago

Find the exact value of sin(255∘)

Masteriza [31]

Check the picture below.

$\textit{Sum and Difference Identities} \\\\ sin(\alpha + \beta)=sin(\alpha)cos(\beta) + cos(\alpha)sin(\beta) \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ sin(255^o)\implies sin(135^o+120^o) \\\\\\ sin(135^o)cos(120^o)~~ + ~~cos(135^o)sin(120^o) \\\\\\ \left( \cfrac{\sqrt{2}}{2} \right)\left( -\cfrac{1}{2} \right)~~ + ~~\left( -\cfrac{\sqrt{2}}{2} \right)\left( \cfrac{\sqrt{3}}{2} \right)\implies -\cfrac{\sqrt{2}}{4}~~ - ~~\cfrac{\sqrt{6}}{4}\implies \cfrac{-2-\sqrt{6}}{4}$