Math, asked by shivam00100, 5 months ago

if sinQ = 4/5 then find CosQ​

Answers

Answered by Anjali5869
1

Answer:

The answer is 3/5

Step-by-step explanation:

  • sinQ = 4/5 = p/h
  • p= perpendicular = 4
  • h = hypotenuse = 5
  • (h) ²= (p) ²+ (b)²
  • (5)² = (4)² + (b)²
  • 25 = 16 + (b)²
  • (b)² = 25-16
  • (b)² = 9
  • b = √9
  • b = 3
  • cosQ = b/h
  • cosQ = 3/5

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