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If cos 4 theta+sin 5 theta=2 then theta=...

If `cos 4 theta+sin 5 theta=2` then `theta=`

A

`2kpi+(pi)/2, kin Z`

B

`2k pi +(pi)/3, k in Z`

C

`2kpi+(pi)/6, k in Z`

D

`2kpi+(pi)/4, kin Z`

Text Solution

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The correct Answer is:
A
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