Mathematics, 30.09.2019 16:30 annalaurie7
Which of the following is not an identity? a: (cosx+sinx)^2=1+2cosx sinx b: 1+cos^2x/sin^2=1 c: tan^2x=sec^2x-sin^2x-cos^2x d: (tanx+cotx)^2=csc^2x+sec^2x
Answers: 2
Mathematics, 21.06.2019 18:00
Calculate the density of benzene if 300ml of it weighs 263g. a. 0.88 g/ml b. 1.14 g/ml c. 78,900 g/ml d. 37 g/ml
Answers: 2
Mathematics, 21.06.2019 19:30
What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)
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Mathematics, 22.06.2019 01:30
Fill in the missing exponents in each box and show how you found the answer. (4 points: 2 points for each correct answer with work shown) c. (9^4)^? =9^1 d.(5^? )^3=5^1 *question marks represent the boxes
Answers: 3
Which of the following is not an identity? a: (cosx+sinx)^2=1+2cosx sinx b: 1+cos^2x/sin^2=1 c: ta...
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