If 2cos6√39 = 1, then the value of 6√39 is -
(a) 0° (b) 30° (c) 45° (d) 60°
(Need the answer with the solution)
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Answer:
Step-by-step explanation:
2cos6√39 = 1
cos6√39=1/2=cos 60
it means
6√39=60
or √39=10
which is wrong
some thing wrong in question
amitukilblogger:
thank you sir for helping me...
the question is not wrong. it is asked the value of 6√39 which according to the solution is 60° which is correct
Please do not play unnecessarily,This may result in confusing in other question and in other subjects also
Otherwise upto you good luck
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