Home
Class 12
MATHS
If A = [(cos a, - sina),(sina, cos a )] ...

If A = `[(cos a, - sina),(sina, cos a )]` and A+A' =I then the value of a is

A

`(pi)/(6)`

B

`(pi)/(3)`

C

`pi`

D

`(3pi)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MATRICES

    BITSAT GUIDE|Exercise BITSAT Archives |8 Videos

  • LINEAR PROGRAMMING

    BITSAT GUIDE|Exercise BITSAT ARCHIVES|3 Videos

  • PERMUTATIONS AND COMBINATIONS

    BITSAT GUIDE|Exercise BITSAT Archives|13 Videos

Similar Questions

Explore conceptually related problems

If 15 cotA=8 , the value of sinA is :

If sinA+cosA=sqrt(2), then the value of cos^(2) A is

If sinA+cosA=(3)/(5) , then find the value of sinA-cosA .

If sinA - sqrt(6)cos A= sqrt(7) cosA , then the value of cosA + sqrt(6)sinA is:

In a triangleABC , if sinA - cosB = cos C , then the measured of angleB is

Evaluate : CosA - SinA = 1 ,then find the value of CosA + SinA

Evaluate : CosA - SinA = 1 ,then find the value of CosA + SinA