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यदि sin theta +sin ^(2)theta =1, तो, निम...

यदि `sin theta +sin ^(2)theta =1,` तो, निम्न का मान ज्ञात करो:
`cos ^(12)theta+ 3 cos ^(10)theta+3 cos ^(8)theta+cos ^(6)theta+2 cos ^(4) theta+ 2 cos ^(2) theta-2`

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