Advertisements
Advertisements
Question
सिद्ध कीजिए: `(sin A - tan A)/(sin A + tan A) = (1 - sec A)/(1 + sec A)`
Theorem
Advertisements
Solution
बायाँ पक्ष = `(sin A/sin A - tan A/sin A)/(sin A/sin A + tan A/sin A)`
= `(1 - sin A/(cos A sin A))/(1 + sin A/(cos A sin A))`
= `(1 - 1/cos A)/(1 + 1/(cos A)`
= `(1 - sec A)/(1 + sec A)` = दायाँ पक्ष
shaalaa.com
Is there an error in this question or solution?
2025-2026 (March) Basic - 430/1/2
