Question
Mathematics Question on Trigonometric Equations
If cosθ = 5−3- and π < θ < 23π, then tan 2θ + sin 2θ+ 2cos 2θ =
A
-1
B
1
C
-2
D
2
Answer
-2
Explanation
Solution
The correct option is (C) -2.
If cosθ = 5−3- and π < θ < 23π, then tan 2θ + sin 2θ+ 2cos 2θ =
-1
1
-2
2
-2
The correct option is (C) -2.