Question

all trigonometric ratios in terms of sinA

Answer 1

Answer:

Sin A = opposite side

hypotenuse

Sin A - 0° = 0

30° = 1/2

45° = 1/ root 2

60° = root 3/ 2

90° = 1

Sin (90°-A) = Cos A

Sin²A + Cos²A = 1

OR

Sin²A = 1 - Cos²A

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