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ECAT - Practice Test - Maths - Trigonometry Quiz

Attempt 10 MCQs on ECAT - Practice Test - Maths - Trigonometry | Quiz 4

31. What is the half-angle identity for sin²θ?



32. What is the half-angle identity for cos²θ?



33. What is the double-angle formula for sin 2θ?



34. Which is a correct double-angle formula for cos 2θ?



35. What is the double-angle formula for tan 2θ?



36. What is the formula for sin(A+B)?



37. What is the formula for cos(A+B)?



38. What is the formula for sin(A-B)?



39. What is the formula for cos(A-B)?



40. What is the general solution of sin θ = 0?



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