Math, asked by snehadahiya22, 8 months ago

considerΔ ACB, right angles at C, in which AB=29 units, BC=21 units and angleABC= O determine the values of cos2O-sin2O

Answers

Answered by brainly19773916

1

Answer:

66776

Step-by-step explanation:

6754×4×4×3÷÷33×3×3×324+4×3×2×2=66776

6764=5=5=55==5

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