Home
Class 11
MATHS
In a DeltaPQR, if 3 sinP+4cosQ=6and4sin...

In a `DeltaPQR`, if 3 `sinP+4cosQ=6and4sinQ+3cosP=1`, then the angle R is equal to :

A

a) `(5pi)/(6)`

B

b) `(pi)/(6)`

C

c) `(pi)/(4)`

D

d )`(3pi)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

If the straight lines 4x+6y=5 and 6x+ky=3 are parallel, then the value of k is equal to

If the matrix [(1,2,-1),(-3,4,k),(-4,2,6)] is singular, then the value of k is equal to

The angle between veca and vecb is (5pi)/(6) and the projection of veca in the direction of vecb is ( -6)/(sqrt3), then |veca| is equal to : a)6 b) (sqrt3)/(2) c) 12 d)4

Write the decimal forms equal to 1/5 , 1/8 , 3/4 .

If cos alpha + sin alpha = (3)/(4) , then sin^(6) alpha + cos^(6) alpha is equal to

Two angles of a triangle are cot^(-1)2 and cot^(-1) 3 . Then the third angle is (i) π/4 (ii) 3π/4 (iii) π/6 (iv) π/3