^\circ < \theta < 180^\circ$, <img src="https://cdn.qbnexa.com/rns/M3... ^\circ < \theta < 180^\circ$, <img src="https://cdn.qbnexa.com/rns/M3 TRIGONOMETRIC FUNCTIONS_images/141_1.png" alt="Figure 141_1" style="width:... following NCERT curriculum." /> ^\circ < \theta < 180^\circ$, <img src="https://cdn.qbnexa.com/rns/M3..." /> ^\circ < \theta < 180^\circ$, <img src="https://cdn.qbnexa.com/rns/M3 TRIGONOMETRIC FUNCTIONS_images/141_1.png" alt="Figure 141_1" style="width:... following NCERT curriculum." />