Math, asked by Saksham0505, 11 months ago


Solve this........................​

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Answered by tom933
1

sin57÷ sin33 +cos42÷ sin48 - 4 cos²45

  • sin(90-33) ÷ sin33 + cos (90-42) ÷ sin48 -4(1/√2) ²

  • sin48÷ sin48 + sin48 ÷ sin48 -(4/2)

  • 1+1-2
  • =0

Saksham0505: Solve it without using trigonometric table
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