If sin theta/1-cos theta+sin theta/1+cos theta=4 find the value of theta
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Sin∅/1-cos∅ + sin∅/1+cos∅=4 ∴sin∅(1+cos∅)+sin∅(1-cos∅) / (1-cos∅)(1+cos∅)=4 ........taking LCM ∴sin∅+sin∅Cos∅+sin∅-sin∅Cos∅ / 1-cos²∅=4 ∴2sin∅ / sin²∅=4 ∵ 1- cos²∅=sin²∅ ∴2 / sin∅=4 ∴ sin∅ =2 / 4 ∴sin∅=1 / 2 ∴∅ =30° ∵ sin30=1 / 2
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