Question

1+ cos thita +sin thita /1+cos thita -sin thita =1+ sin thita /cos thita
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Answer 1

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Answer 2

1+ cos thita+ sin thita / 1+ cos thita- sin thita = 1+ sin thita / cos thita

= 1+ cos thita + sin thita / 1+ cos thita-sin thita= 1+ tan thita

=1+ cos thita+ sin thita / 1+ sin thita + cos thita= 1+ tan thita

= 1+ cot thita = 1+ tan thita

= tan thita = 1/ cot thita

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