Question

Simplify :
cos 67° - sin 23 °

Answer 1

Cos67 - sin 23

cos 67 -sin(90 -23)

cos67-cos67

Both are cut

1-1

0 answer

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Answer 2

$\huge{\underline{\underline{\mathfrak{Answer}}}}$

=Cos67 - sin 23

=cos 67 -sin(90 -23)

=cos67-cos67

=1-1

=0

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