any body can solve it plz. fast.
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r u sure the question is correct??
yeah i m sure
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I tried my lvl best but couldn't get answer...
substitute theta as 45° u will get LHS is not equal to RHS.
HOW CAn it be a identity...???
substitute theta as 45° u will get LHS is not equal to RHS.
HOW CAn it be a identity...???
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