UILCIU W uuus, Spiro and Aromatic
MATHEMATICS
The period of f(x)=sin x! +\cos x + tan x + cotx[+sec x1 + cosecx
1.
2.25
4.40
If a <cos 20 --- sin 20 <b the
3.4
4.10
1.1
2.2
cos 42° + cos 78° +cos 162° =
1.2
3.0
If A+B+C = 180°, then sin A+sin B+sin C
4cos -
2.3
4
B
COCOS-
NIO
3.3
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