Trigonometry, SMB-020

Find the value of `theta`, correct to the nearest minute. (2 marks)

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`70^@ 32^{′}`

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`cos theta`	`=4/12`
`theta`	`=cos^{-1}(1/3)`
	`=70.528…`
	`=70^@ 31^{′}43^{″}`
	`=70^@ 32^{′}`

NOTE: Seconds > 30 are rounded up to the higher minute.