Verify the identity.sin 4? = 2 sin2? cos2?
What will be an ideal response?
sin 4? = sin [2(2?)] = 2 sin2? cos2?.
You might also like to view...
Use Bayes' rule to find the indicated probability.Two stores sell a certain MP3 players. Store A has 34% of the sales, 5% of which are of defective items, and store B has 66% of the sales, 1% of which are of defective items. The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives a defective item of this product as a gift. What is the probability it came from store B?
A. 0.275 B. 0.22 C. 0.5667 D. 0.7083
Solve the equation graphically, numerically, or symbolically. If appropriate, round the solution to hundredths. ?7m + 3? + 5 = 13
A. -0.71, 1.57 B. No solution C. 0.71, -1.57 D. 1.67, -3.67
Find the value of the expression without using a calculator.log1/99
A. -1 B. 1 C. -2 D. 2
Round the number to the nearest thousandth.1.4992
A. 1.499 B. 1.4992 C. 1.4993 D. 1.500 E. 1.50