can you simplify cos(15degrees) using

can you simplify cos(15degrees) using compound angel identity?
1. 1 answer
2. 59 views
cos(15degrees)this is not plugging it in the calculator, please help me right down steps. i really need help.
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2. asked by ash
3. 329 views
given 1000 mL of helium at 15degrees C and 763mmHg, determine its volume at -6degrees C and 420 mmHg.my friend said she got 1.68
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2. asked by phyllis
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two people are pushing a car of mass 2000kg. if they each push with a force of 320N at an angle of 15degrees to each side of the
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2. asked by cynthia
3. 1,732 views
what is the exact value of1-2sin(15degrees)? also 2(sin2x)=2sinx solve it for 0<_x_<360 and also 2cos2x=-�ã3 solve it and find
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2. asked by MRADILAHMED
3. 927 views
If it is 3:00am at 15degrees east,What time is it at 79degrees east?
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2. asked by Day
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a soccer player kicks a stationary ball giving it a speed of 20m/s at an angle of 15degrees to the horizontal. what is the
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2. asked by ruby
3. 1,907 views
atlanta-86chicago-80 duluth-62 fargo-66 miamai-86 omaha-71 san diego-75 san fransisco-68 which best describes the data? a-the
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2. asked by gabs
3. 500 views
A plane is flying at 25 degrees north of west at 190km/ h. Suddenly there is a wind from 15degrees north of east at 45 km/ hr.
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2. asked by Dan
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86 8880 71 62 75 66 68 (degrees) which sentence best describes the data? a- the temperatures vary by 26degrees b-the
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2. asked by whitney
3. 505 views