Teaching UP TGT Mock Test Series 2025 Mathematics Trigonometry Trigonometric Identities

यदि sin θ + cos θ = m और sec θ + cosec θ = n, तो n(m + 1)(m - 1) का मान ज्ञात कीजिए।

1
n(m - 1)(m - 1) = 2m
2
n(m + 1)(m - 1) = 2m
3
n(m + 1)(m - 1) = m
4
n(m + 1)(m + 1) = 2m
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