If sin (A + B) = 1, where `O lt B lt 45 ^(@)` then what is cos (A - B) equal to ?

A

sin 2 B

B

sin B

C

cos 2 B

D

cos B

Verified by Experts

Similar Questions

Explore conceptually related problems

If sin (A +B) =1 , where 0 lt B lt 45^@ , what is cos (A -B) equal to ?

If sin(A + B) = 1 and 2 sin (A - B) = 1, where 0 lt A, B lt pi/2 then what is tan A:tan B equal to?

If sin A = 3/5 , where 450^@ lt A lt 540^@ , then cos A/2 is equal to:

If sin theta + 2 cos theta = 1, where 0 lt theta lt (pi)/(2), then what is 2 sin theta - cos theta equal to ?

If sin theta + 2cos theta = -1 , where 0 lt theta lt pi/2 , what is 2 sin theta - cos theta equal to ?

If tanA = 1(0^(@) lt A lt 90^(@)) and cos B = 1/sqrt(2) (0^(@) lt B lt 90^(@)) , then find cos(A + B)

IF (sin theta)/(cos theta)+(cos theta)/(sin theta)=2 with 0 lt theta lt 90^@ then what is theta equal to