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Assertion (A) : cos x = (-1)/(2) and 0 l...

Assertion (A) : cos x = `(-1)/(2)` and 0 lt x lt 2pi,` "then the solutions are x" = (2pi)/(3), (4pi)/(3)`.
Reason (R ) : cos is negative in the first and fourth quadrant only

A

both A and ( R) are true and (R ) is the correct

B

Both A and R are true but (R ) is not the correct explantion of A

C

A is true R is false

D

A is false R is true

Text Solution

Verified by Experts

The correct Answer is:
C
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