Trigonometry MCQ

{ "questions":[ { "question": "The value of sin 30° is:", "options": ["1/2", "√3/2", "1", "0"], "answer": 0 }, { "question": "The value of cos 60° is:", "options": ["1/2", "√3/2", "0", "1"], "answer": 0 }, { "question": "The value of tan 45° is:", "options": ["0", "1", "√3", "1/√3"], "answer": 1 }, { "question": "The value of sin 90° is:", "options": ["0", "1", "1/2", "√3/2"], "answer": 1 }, { "question": "The value of cos 0° is:", "options": ["0", "1", "1/2", "√3/2"], "answer": 1 }, { "question": "If sin A = 1/2, then angle A is:", "options": ["30°", "45°", "60°", "90°"], "answer": 0 }, { "question": "If cos A = √3/2, then angle A is:", "options": ["30°", "45°", "60°", "90°"], "answer": 0 }, { "question": "The value of tan 30° is:", "options": ["1/√3", "√3", "1", "0"], "answer": 0 }, { "question": "The value of tan 60° is:", "options": ["√3", "1/√3", "1", "0"], "answer": 0 }, { "question": "sin²A + cos²A = ?", "options": ["1", "0", "2", "sinA"], "answer": 0 }, { "question": "1 + tan²A = ?", "options": ["sec²A", "cosec²A", "1", "cot²A"], "answer": 0 }, { "question": "1 + cot²A = ?", "options": ["sec²A", "cosec²A", "tan²A", "1"], "answer": 1 }, { "question": "The value of sin 45° is:", "options": ["1/√2", "√3/2", "1/2", "1"], "answer": 0 }, { "question": "The value of cos 45° is:", "options": ["1/√2", "√3/2", "1/2", "0"], "answer": 0 }, { "question": "sin (90° − A) = ?", "options": ["cos A", "sin A", "tan A", "cot A"], "answer": 0 }, { "question": "cos (90° − A) = ?", "options": ["sin A", "cos A", "sec A", "tan A"], "answer": 0 }, { "question": "tan (90° − A) = ?", "options": ["cot A", "tan A", "sec A", "cosec A"], "answer": 0 }, { "question": "cot (90° − A) = ?", "options": ["tan A", "cot A", "sin A", "cos A"], "answer": 0 }, { "question": "sec A is equal to:", "options": ["1/cos A", "1/sin A", "tan A", "cot A"], "answer": 0 }, { "question": "cosec A is equal to:", "options": ["1/sin A", "1/cos A", "tan A", "sec A"], "answer": 0 }, { "question": "cot A is equal to:", "options": ["1/tan A", "tan A", "sin A", "cos A"], "answer": 0 }, { "question": "If tan A = 1, then A equals:", "options": ["30°", "45°", "60°", "90°"], "answer": 1 }, { "question": "If cos A = 1, then A equals:", "options": ["0°", "30°", "45°", "90°"], "answer": 0 }, { "question": "If sin A = 0, then A equals:", "options": ["0°", "30°", "45°", "60°"], "answer": 0 }, { "question": "The value of cos 90° is:", "options": ["0", "1", "1/2", "√3/2"], "answer": 0 }, { "question": "The value of tan 0° is:", "options": ["0", "1", "undefined", "√3"], "answer": 0 }, { "question": "If sin A = cos A, then A equals:", "options": ["30°", "45°", "60°", "90°"], "answer": 1 }, { "question": "Which identity is correct?", "options": ["sin²A + cos²A = 1", "sinA + cosA = 1", "tanA + cotA = 1", "secA + cosecA = 1"], "answer": 0 }, { "question": "The value of cosec 30° is:", "options": ["2", "1/2", "√3", "1"], "answer": 0 }, { "question": "The value of sec 60° is:", "options": ["2", "1/2", "√3", "1"], "answer": 0 } ] }