Find the value of sin^2 54+ sin^2 36
please give me the answer of this.
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Step-by-step explanation:
sin² 54 + sin²36
=> sin² 54 + sin² ( 90 - 54)
=> sin² 54 + cos² 54 [ sin (90 - A) = cos A ]
=> 1 [ sin² A + cos² A = 1 ]
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