Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If cos θ = \(\frac{4x}{1 + 4x^2}\), then what is the value of sin θ ?
1
\(\frac{1 - 4x^2}{4x}\)
2
\(\frac{1 - 4x^2}{1+4x^2}\)
3
\(\frac{1 + 4x^2}{1-4x^2}\)
4
\(\frac{1 + 4x^2}{4x^2}\)