Question 11
a) Find the magnitude of angle A, if: tan A – 2 cos A tan A + 2 cos A-1 = 0
1
+ 50
mound​

1 thought on “Question 11<br />a) Find the magnitude of angle A, if: tan A – 2 cos A tan A + 2 cos A-1 = 0<br />1<br />+ 50<br />mound​”

1. Step-by-step explanation:

   -tanA(2cosA-1)+1(2cosA-1)=0

   (1-tanA)(2cosA-1)=0

   2cosA-1=0. 1-tanA=0

   cosA=1/2. tanA=1

   A=60°. A=45°

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