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I : If 180^(@) lt theta lt 270^@ , sin ...

I : If ` 180^(@) lt theta lt 270^@ , sin theta = -3//5 " then " cos theta //2 -=1//10 ` .
II : If ` 630^(@) lt theta lt 720^(@) , |tan theta | =12//5 " then " tan theta//2= 2//3 `

A

Only I is true

B

Only II is true

C

Both I and II are true

D

neither I nor II are true

Text Solution

Verified by Experts

The correct Answer is:
D
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