0 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 12.2k points 1.1k views answer comment Share Follow Print 0 reply Please log in or register to add a comment.