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SSC CGL Tier 1 :: QA Test 27
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1 . If cos A + cos$^ 2$ A = 1, then sin$^ 2$ A + sin$^ 4$ A is equal to
[ A ]    0
[ B ]    -1
[ C ]    1 right
[ D ]    1/2
Answer : Option C
Explanation :
Workspace Report error

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