Question

trigonometric ratio of 45°,60°,30°​

Answer 1

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Answer 2

Step-by-step explanation:

formulae as given by other helper and then

sin 30=1/2

cos 30=√3/2

tan 30=1/√3

sin 45=1/√2

cos45=1/√2

tan45=1

sin 60=√3/2

cos60=1/2

tan60=√3