MyQuestionIcon

1

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

Standard Values of Trigonometric Ratios

If 2 cos A+B=...

Question

If 2 cos(A + B) = 1, and 2 sin(A –B) = 1 then the values of A and B are

A

15^o, 22^o

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

30^o, 45^o

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

45^o, 15^o

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

20^o, 10^o

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C
45^o, 15^o

Suggest Corrections

thumbs-up

0

Similar questions

2 cos (A + B) = 2 sin (A - B) = 1

; find the value of

B

\sqrt{2} sin A = sin B - {sin}^{3} B

\sqrt{2} cos A = cos B + {cos}^{3} B

, then the possible value(s) of

sin (A - B)

\sqrt{2} sin A = sin B - {sin}^{3} B

\sqrt{2} cos A = cos B + {cos}^{3} B

, then the possible value(s) of

sin (A - B)

A, B, C

are angle of a triangle

A B C

, then the value of the determinant

∣ ∣ ∣ ∣ ∣ ∣ ∣ ∣ \begin{matrix} sin \frac{A}{2} & sin \frac{B}{2} & sin \frac{C}{2} sin (A + B + C) & sin \frac{B}{2} & cos \frac{A}{2} cos \frac{(A + B + C)}{2} & tan (A + B + C) & sin \frac{C}{2} \end{matrix} ∣ ∣ ∣ ∣ ∣ ∣ ∣ ∣

is less than or equal to

2 cos (A - B) = 2 sin (A + B) = \sqrt{3},

find the value of the acute angle

A

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Standard Values of Trigonometric Ratios

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Standard Values of Trigonometric Ratios

Standard X Mathematics

Join BYJU'S Learning Program

CrossIcon