CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Sign of Trigonometric Ratios in Different Quadrants

If sin θ =-4/...

Question

If sin θ =-4/5 and θ lies in 3rd quadrant then cos theta/2 = Options:-1/sqrt5

Open in App

Solution

Suggest Corrections

thumbs-up

85

Similar questions

θ

3 r d

\sqrt{4 {sin}^{4} θ + {sin}^{2} 2 θ} + 4 {cos}^{2} (\frac{π}{4} - \frac{θ}{2})

θ

lies in the first quadrant and

5 tan θ = 4,

\frac{5 sin θ - 3 cos θ}{sin θ + 2 cos θ} =

θ

lies in first quadrant and

5 tan θ = 4

, then the value of

\frac{5 sin θ - 3 cos θ}{sin θ + 2 cos θ}

θ

lies in first quadrant and

5 tan θ = 4

, then the value of

\frac{5 sin θ - 3 cos θ}{sin θ + 2 cos θ}

θ

lies in the third quadrant, then the expression

\sqrt{(4 {sin}^{4} θ + {sin}^{2} 2 θ)} + 4 {cos}^{2} (\frac{1}{4} π - \frac{1}{2} θ)

2.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Trigonometric Functions in a Unit Circle

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Sign of Trigonometric Ratios in Different Quadrants

Standard XII Mathematics

Join BYJU'S Learning Program

CrossIcon