Value of sin 73π/2 +cos75π is-------------------
Answers
Answered by
0
Answer:
Sin(1920
o
)=sin(1800
o
+120
o
)
=sin(5(360
o
)+120
o
)
Since, sin(2πn+x)=sinx, for integer n, we have
sin(1920
o
)=sin(120
o
)=
2
3
Hence, C is correct
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