If tan⁻¹k + tan⁻¹(1/2) = π/4, then what is the value of k?

1. A.1
2. B.1/2
3. C.1/3✓ Correct
4. D.1/4

More Inverse Trigonometry questions

• → If cos⁻¹x = sin⁻¹x, then which one of the following is correct?
• → If k is a root of x² - 4x + 1 = 0, then what is tan⁻¹k + tan⁻¹(1/k) equal to?
• → What is tan⁻¹(a/b) – tan⁻¹((a–b)/(a+b)) equal to?