If tan theta =5/6. Then, (1-cos theta)(1+cos theta)/(1-sin theta)(1+si

1.	If tan theta =5/6. Then, (1-cos theta)(1+cos theta)/(1-sin theta)(1+sin theta)=?
Answer» You can use phythogorus theorem to sin and cos value than pit it in the equation then simplify it... you will get answers.

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