Given that cos 60°= sin 30°= 1/2 and cos 30°= sin 60°= √3/2, evaluate tan 60°-1/ 1- tan 30°
1 answer:
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Answer: D. 0.981
Step-by-step explanation:
Step 1: For the given data table on x^2
We square all values given to us
Step 2: we repeat Same for Y^2 table too.
Step 3: XY table we multiply x and y
Step 4: we make a summation of them all
Step 5: we input our summer value into our formula.
Step 6 : we arrive at our answer which is 0.981
