Trigonometry resources

Important note: None of these files are endorsed by the IBO. Further, none of the material is copied in any way from IBO or other examination board or other published texts. All the material is copyrighted by myself (Adrian Sparrow). You may download the material for free, and photocopy the work, but please do not re-host this work.

All the files are pdf for Adobe Acrobat, or Power point. Right click on a PC and 'save as'. Control click on a Mac and 'save as'.

	Introduction to radians		What is a radian? Calculations with radians.
	The Unit Circle		Finding the 2 angles in the CAST diagram, the ratio bewteen the angles.
	Two trig. identities		Tan, and cos squared sin squared identities.
	Double angle identities		2 double angle identities and 5 practice questions, explained step-bystep.
	Trig identities		SL identites.
	Trig revision sheet		SL review sheet - no answers yet.
	Trig ratios		Blank sheet to fill in showing exact trig. ratios for radian and degree measure. SL and HL.
	Trig ratios answers		Answers to the sheet above. SL and HL.
	Trig curves		Amplitude, period questions. Studies, SL and basic HL.
	Trig identities		HL worksheet on identities.
	Studies revision		Review questions on trig.
	Studies test		Studies test - obviously.
	SL test		Guess what this is?
	HL test		And this one would be?
	Trig. Identities and proofs		Additional maths powerpoint
	Trig proofs with answers		10 proofs based on previous powerpoint for additional maths syllabus
	Add. maths trig test		Radians, identities and general trig.
	Quadratic equations and trig.		Solving quadratic equations in trig functions.