If sin θ = (m − n)/(m + n), find the value of 1 + tan²θ.
Lagos State University MAT101 2024 past question
- 2(m² + n²)/(m + n)
- √[2(m² + n²)]/(m + n)
- (m² + n² + 2mn)/(2mn)
- (m² + n² + 2mn)/(4mn)
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