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liubo4ka [24]
3 years ago
8

Find the value of x such that sin (90-x) = cos 50

Mathematics
2 answers:
olga_2 [115]3 years ago
8 0
Solution
sin (90-x)=sin (90-50)
90-x=40⇒x=90-40
x=50.
Arte-miy333 [17]3 years ago
3 0
Sin (90-x) = cos x

so x = 40 
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