Geometry
Sum and Difference Trigonometric Formulas
Which of the following is equal to \(\cos114^\circ+\cos44^\circ?\)
Which of the following is equal to \(\cos88^\circ-\cos42^\circ?\)
Which of the following is equal to \(\sin60^\circ+\sin16^\circ?\)
Evaluate \(16\sin120^\circ+8\cos105^\circ+16\sin60^\circ+8\cos15^\circ.\)
Which of the following expressions is equal to \[ \sin{36 ^\circ} + \sin{24 ^\circ} ? \]