Mathematics : Trigonometry - Section A Questions.

Section A : Trigonometry Questions.

Questions 1: sin(30°)= ?

Questions 2: sin(30°)= ?

Questions 3: Prove that tan (45°)= 1

Questions 4: cos(90°) = ?

Questions 5: sin²(43°) + cos²(43°) = ?

Questions 6: Find the exact value of cos 15°.

Questions 7: Calculate sin75°sin15° = ?

Questions 8: Calculate the exact value of sin15°.

Questions 9: sin(-585°) = ?

Questions 10: tan(270°+α) = ?

Questions 11: cos(8π/3 ) = ?
Questions 12: sin (945°) = ?

Questions 13: cos(24°) + cos(5°) + cos(175°) + cos(204°) + cos(300°) = ?