ΔPQR is right angled at Q. If m∠R = 30°, then ﬁnd the value of ( – McqOptions

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1.	ΔPQR is right angled at Q. If m∠R = 30°, then ﬁnd the value of (cosP - 1/3).
A.	1/6
B.	(2√2-1) /√2
C.	-1/√3
D.	(√3-4) /2√3
Answer» B. (2√2-1) /√2

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