1.

If cos P=17and cos Q=1314, where P and Q both are acute angles. Then, the value of P − Q is(a) π6(b) π3(c) π4(d) π12

Answer» If cos P=17and cos Q=1314, where P and Q both are acute angles. Then, the value of P − Q is

(a) π6



(b) π3



(c) π4



(d) π12


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