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Mathematics 20 Online
OpenStudy (anonymous):

Evaluate: PLEASE HELP!! Sin 60- Sin 45/Tan 45

OpenStudy (maheshmeghwal9):

sin 60 = sqrt{3}/2 sin 45 =1 / sqrt{2} tan 45 =1

OpenStudy (maheshmeghwal9):

put the values:D

OpenStudy (maheshmeghwal9):

sqrt = square-root.

OpenStudy (anonymous):

how did you get those values for sin 60 and sin 45 i knew tan 45 =1

OpenStudy (anonymous):

when you pluge sin 60 and sin 45 into a calculator you get decimals

OpenStudy (maheshmeghwal9):

it is a table u must learn it:D http://www.cemca.org/ciet/Trigonometry/images/trig__mfc751a1.jpg

OpenStudy (maheshmeghwal9):

click the link.

OpenStudy (anonymous):

oh ok so know i just pluge the values into the equation

OpenStudy (maheshmeghwal9):

ok!

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