Question
After interchanging the given two signs and two numbers,
what will be the value of the following expression? ÷ and +; 6 and 25 8 ÷ 42 + 25 × 16 – 6 = ?Solution
8 ÷ 42 + 25 × 16 – 6 = ? 8 + 42 ÷ 6 × 16 – 25 = ? 8 + 7 × 16 – 25 =? 8 + 112 – 25 = 95.
Find the exact value of cos120°
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