[Video Solution] If \sin t = \dfrac15 and 0 < t < \dfracπ2, then \cos(4t) = ? | ASPIRE STUDY

Name: [Video Solution] If \sin t = \dfrac15 and 0 < t < \dfracπ2, then \cos(4t) = ? | ASPIRE STUDY
Uploaded: 2026-10-12T16:22:56+00:00
Description: If \sin t = \dfrac15 and 0 < t < \dfracπ2, then \cos(4t) = ? | Watch the step-by-step video solution for this NIMCET PYQ.

If \sin t = \dfrac15 and 0 < t < \dfracπ2, then \cos(4t) = ? | Watch the step-by-step video solution for this NIMCET PYQ.