Home
Class 10
MATHS
If sin (A+B)= cos (A-B) = 1, then...

If `sin (A+B)= cos (A-B) = 1`, then

A

A= B =0

B

`A = B = 45^(@)`

C

`A = 60^(@), B = 30^(@)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • INTRODUCTION TO TRIGNOMETRY AND ITS APPLICATIONS

    EDUCART PUBLICATION|Exercise OBJECTIVE TYPE QUESTIONS ( WRITE TRUE FALSE )|4 Videos

  • INTRODUCTION TO TRIGNOMETRY AND ITS APPLICATIONS

    EDUCART PUBLICATION|Exercise OBJECTIVE TYPE QUESTIONS ( FILL IN THE BLANKS )|11 Videos

  • INTRODUCTION TO TRIGNOMETRY AND ITS APPLICATIONS

    EDUCART PUBLICATION|Exercise LONG ANSWER TYPE QUESTIONS |42 Videos

  • COORDINATE GEOMETRY

    EDUCART PUBLICATION|Exercise LONG ANSWER (LA) TYPE QUESTIONS (4 MARKS) |7 Videos

  • PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

    EDUCART PUBLICATION|Exercise LONG ANSWER Type Questions [4 marks]|10 Videos

Similar Questions

Explore conceptually related problems

If : sin(A-B)=cos(A+B)=(1)/(2), "then" : (A,B)

If sin(A+B)=1 and cos(A-B)=1 , 0^(@) le (A+B) le 90^(@) and A gt B then find A and B .

If sin(A+B)=1 and ^(*)cos(A-B)=1,11100

If sin(A-B)=1/2 and cos(A+B)=1/2 , find A and B.

If sin(A-B) =1/2 and cos(A+B) =1/2 , where A>B>0^@ , and A+B is an acute angle, then the value of A is: यदि sin(A-B) =1/2 and cos(A+B) =1/2 तो A+B का मान ज्ञात करें , जहाँ A>B>0^@ और A एक न्यून कोण है

If sin(A-B) =1/2 and cos(A+B) =1/2 , where A>B>0^@ , and A+B is an acute angle, then the value of A is: यदि sin(A-B) =1/2 and cos(A+B) =1/2 तो A+B का मान ज्ञात करें , जहाँ A>B>0^@ और A एक न्यून कोण है

If sin (A - B) = 1/2 and cos (A + B) = 1/2 where A > B > 0 and A + B is an acute angle, then the value B is

If sin(A-B)=1/2 and cos(A+B)=1/2,0^(^^)Q B, then find A and B

If A and B are positive acute angles such that sin (A - B) =1/2 and cos (A + B) = 1/2 , then A and B are given by

If a sin^(-1)x-b cos^(-1)x=c, then a sin^(-1)x+b cos^(-1) equal to