Q2Multiple choiceExercise 8.1
2
- (A)0°
- (B)30°
- (C)60°
- (D)90° INTRODUCTION TO TRIGONOMETRY AND ITS APPLICATIONS 91 sin 2 22° + sin 2 68° 11. The value of the expression 2 2 + sin 2 63° + cos 63° sin 27° is cos 22° + cos 68° (A) 3 (B) 2 (C) 1 (D) 0 4sin θ − cos θ 12. If 4 tanθ = 3, then 4sin θ+ cos θ is equal to 2 1 1 3 (A) (B) (C) (D)
Show answer
(A) 0°