prove that, tan43°=cos2°-sin2°/cos2°+sin2°
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Steps:
1) Divide RHS by cos2° in both numerator and denominator.
2) Use tan(A-B) = (Tan(A) -tan(B))/(1+tanAtanB)
3) tan(45°-2°) = given expression.
For Calculation see pic.
1) Divide RHS by cos2° in both numerator and denominator.
2) Use tan(A-B) = (Tan(A) -tan(B))/(1+tanAtanB)
3) tan(45°-2°) = given expression.
For Calculation see pic.
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