यदि `cot theta = 7/8, " तो " ((1 + sin theta)(1 - sin theta))/((1 + cos theta)(1 - cos theta))`
Channel: Doubtnut
Date: 2020-03-29

यदि `cot theta = 7/8, " तो " ((1 + sin theta)(1 - sin theta))/((1 + cos theta)(1 - cos theta))`का मान ज्ञात करें ।