Introduction to Trigonometry

Introduction to Trigonometry The value of sin 30° is:(A) 1(B) 1/2(C) √3/2(D) 0Answer: (B) 1/2 The value of cos 0° is:(A) 1(B) 0(C) -1(D) √2Answer: (A) 1 The value of tan 45° is:(A) 0(B) 1(C) √3(D) 1/√3Answer: (B) 1 If sin A = 3/5, what is the value of cos A?(A) 4/5(B) 5/3(C) 1/2(D) 3/4Answer: […]