Math, asked by mdsufiyansiddiqui, 5 months ago

18. In A PQR, right angled at Q, PR-QR = 9 cm and PQ = 21
cm. Determine sin P and cos R

Answers

Answered by poojap29599

1

Answer:

sinp=opposite upon hypotenuse=21 upon9=7 upon3

cos R =adjacent upon hypotenuse=9 upon 9 =1

Step-by-step explanation:

draw a triangle
take QR as base and PR as hypotenuse
now consider Q as a angle

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