18 terms

trig functions of 30 45 60

sin cos tan csc sec tan of 30,45, 60
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sin30
½
cos30
(√3)/2
tan30
(√3)/3
csc30
2
sec30
(2√3)/3
cot30
√3
sin60
(√3)/2
cos60
½
tan60
√3
csc60
(2√3)/3
sec60
2
cot60
(√3)/3
sin45
(√2)/2
cos45
(√2)/2
tan45
1
csc45
√2
sec45
√2
cot45
1