Across
- 2. Value of cos x if sin x = −3/2 in quadrant IV
- 4. A square matrix with ones on the diagonal
- 5. Value of x − y from the given matrices
- 7. The standard form of 2 − 16i
- 8. Value of cos120°cos50° − sin120°sin50°
- 9. The conjugate of 5 + i
Down
- 1. The modulus of z = 2 − 5i
- 3. Type of matrix representing a linear system
- 6. The reciprocal of tangent
- 7. Determinant of the given 2×2 matrix