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do you have a scienrific calculator?

|dw:1347856598297:dw|

Type it on calculator

okay please hold

i gots 3.36

just so everyone absolutely knows the problem looks like this |dw:1347856966969:dw|

Yes thats it

o kay now how would you find the value of the expression :
if sin beta=0.45, find cos(pi/2-beta)

its the same

okay then i did it right, what bout if tan(pi/2-beta)=-5.32, find cot beta

tan(pi/2-beta)= cot beta = -5.32

so is it the same if its beta-pi/2 instead of pi/2-beta?

okay so to do if sin (beta-pi/2)=0.73, find cos-beta it would be
cos(-pi/2-sin^-1(0.73)?

so then how would i do the problem?

so cos beta =- sin (beta-pi/2)= -0.73

yes. use tan(beta-pi/2) = tan(-(pi/2-beta))=??

please hold

0.03? wait I think i did it wrong let me try again

um okay one last try

1.20?

well idk what i put for beta i tried it as just 7.89 and cot(7.89)
here i'll try it again

well i understand how it works but idk how to put it into my calc to where i get that answer