If cos x= -1/2 find the values of sin120degree and tan 120degree
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Answer:
Step-by-step explanation:
Let, x=1.3
23
.
Then, 10x=13.
23
(1)
=13.23
23
and 1000x=1323.
23
(2)
Now, subtracting (1) from (2) we get,
990x=1310
⇒x=
990
1310
=
99
131
Which is the required
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