please hlp me in this this question
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1
Answer:
we know (1-cossquareteta=sinsquareteta)and secsquareteta=1/cossquareteta
so sinsquareteta×1/cossquareteta=sinsquareteta/cossquareteta
=tansquareteta
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0
Answer:
I didn't study such sums so I am not able to answer this question
I am sorry
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