plz solve fast with explain q no 13
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{tan2¢+sin2¢+2tan¢sin¢}-(tan2¢+s
in2¢-2tan¢sin¢}
=4tan¢sin¢
And
4√{tan2¢-sin2¢}=4√{sin2¢÷cos2¢-sin2¢}
=4(sin¢÷cos¢)(√1-cos2¢)
=4tan¢sin¢
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