In ` /_\O P Q` right angled at `P ,\ O P=7c m` , `O Q-P Q=1c m` . Determine the values of `sinQ` and `cosQ` .

In DeltaOPQ , right - angled at P , OP = 7 cm and OQ - PQ =1 cm . Determine the values of sinQ and cos Q .

In DeltaO P Q , right-angled at P, O P" "=" "7" "c m andO Q" "-" "P Q" "=" "1" "c m Determine the values of sin" "Q" "a n d" "cos" "Qdot

In DeltaP Q R , right-angled at Q (see figure), P Q" "=" "3" "c m" "a n d" "P R" "=" "6" "c m . Determine /_Q P R and /_P R Q

In Figure, /_Q P R=/_P Q R and M and N are respectively on sides Q R and P R of P Q R such that Q M=P N . Prove that O P=O Q , where O is the point of intersection of P M and Q Ndot

P Q R S is a square such that P R\ a n d\ S Q intersect at Odot State the measure of /_P O Q

In Figure, P Q R S is a parallelogram, P O\ a n d\ Q O are, respectively, the angle bisectors of /_P\ a n d\ /_Q . Line L O M is drawn parallel to P Q . Prove that: P L=Q M (ii) L O=O M

A B C is a triangle and P Q is a straight line meeting A B in P and A C in Q . If A P=1c m , P B=3c m , A Q=1. 5 c m , Q C=4. 5 m , prove that area of A P Q is one-sixteenth of the area of A B C .

In Fig. 10.88, A P B is a tangent to a circle with centre O at point P . If /_Q P B=50o , then the measure of /_P O Q is (FIGURE) 100o (b) 120o (c) 140o (d) 150o