Grade 12 trigonometry questions are perceived as challenging, with participants discussing various methods to solve specific problems. Key strategies include using trigonometric identities, such as the product-to-sum and angle addition formulas, to simplify complex equations. Some participants noted that certain questions may lack real solutions, emphasizing the importance of verifying answers against the original equations. There is also a mention of needing to understand complex numbers and hyperbolic trigonometry for certain advanced problems. Overall, the discussion highlights the difficulties students face and the collaborative efforts to find solutions.