state gov Assam (অসম) ADRE Grade III Mock Test Series 2025 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If A + B = 90° and cos B = 1/3; then the value of sin A is:
A. 1/2
B. 1/4
C. 1/3
D. 2/3
1
C
2
B
3
D
4
A
If A + B = 90° and cos B = 1/3; then the value of sin A is:
A. 1/2
B. 1/4
C. 1/3
D. 2/3