Help looking for a printable chart/notes

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The discussion focuses on finding a printable chart or notes that summarize basic trigonometric identities for simplification. The user specifically seeks foundational identities such as sin²(theta) + cos²(theta) = 1 and their inverses, rather than advanced identities. They express frustration over having an incomplete list and provide links to resources that may help. Participants suggest searching online for "trig identities" to find comprehensive charts. The conversation emphasizes the need for accessible materials for studying trigonometry.
jayar182
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hope this on-topic, but I was hoping I can find a chart or something similar containing trigonometric identities for simplifying. my list is incomplete...T_T...I am not looking for the advanced ones (yet, haha) but something along the lines of:

sin^2(theta) + cos^2(theta) = 1
sin^2(theta) = 1 - cos^2(theta)

pretty much a list of cos(theta), sin(theta), tan(theta), cot(theta), what they equal (and when they equal to 1, like my previous examples), and the inverses.

thanks a lot!
 
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