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Alenkasestr [34]
3 years ago
8

\cos(45 ) = " alt=" \sin(90) + \cos(45 ) = " align="absmiddle" class="latex-formula">
​

Mathematics
1 answer:
Olenka [21]3 years ago
7 0

Answer:

you know that sin 90 is 1 and cos 45 is 1/√2

so,

sin90 + cos45 \\  = 1 +  \frac{1}{ \sqrt{2} }  \\  =  \frac{ \sqrt{2} + 1 }{2}

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