Questions by Onur Tuna

Questions by Onur Tuna

Prove that cos 3A = cos (2A+A) cos 3A = 4 cos³A – 3cosA..... Where from the cos A ....does sin A * cos A give cos A?? Cos 3A = cos (2A +A) Cos 2A cos A - Sin2A sinA (2cos²A-1)cosA-(2sinA cos A) sinA 2cos³A

asked Mar 8, 2020

1 answer

0 votes

186k views

What makes the ACROPOLIS different from other areas

asked Dec 14, 2019

1 answer

1 vote

228k views

Which of the following was a major economic concern in the mid to late 1970s?

asked Sep 28, 2019

2 answers

1 vote

16.3k views

5tenths and 3hunderdths

asked Sep 10, 2019

1 answer

1 vote

77.4k views

Shelley gives her little sister a 5-meter head start in a bike race. The race ends 15 meters east from where Shelley started. If her little sister completes the race in 5 seconds, what is her sister’s

asked Apr 2, 2019

2 answers

1 vote

73.8k views

A line passes through the point , 8−1 and has a slope of −3/4 . Write an equation in slope-intercept form for this line.

asked Mar 11, 2019

1 answer

3 votes

159k views

How many meters are in one kilometer

asked Feb 17, 2019

2 answers

3 votes

194k views

Which sentence uses punctuation correctly? A. You are going to fall off the cliff unless you move back. B. I wore my special hiking boots, so that I would not lose my grip. C. I won't leave you alone,

asked Mar 17, 2018

1 answer

0 votes

58.1k views

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