0 votes 0 votes If $\sin 3A = \cos (A – 26^{\circ}),$ where $3A$ is an acute angle then the value of $A$ is : $29^{\circ}$ $31^{\circ}$ $39^{\circ}$ $23^{\circ}$ Quantitative Aptitude nielit2022feb-scientistd trigonometry + – Lakshman Bhaiya asked Jul 22, 2022 • retagged Jul 4, 2023 by Hira Thakur Lakshman Bhaiya 13.7k points 332 views answer comment Share See all 0 reply Please log in or register to add a comment.