Trig Identity Bingo

This bingo card has a free space and 46 words: 1/csc⁡x, cos⁡x, cot⁡x, 1/sin⁡x, 1/sec⁡x, sin⁡x/cos⁡x, 〖sin〗^2 x+〖cos〗^2 x, 1, 1+〖tan^2〗⁡x, 1/cos⁡x, 1-cos^2 x, cos⁡〖(-x)〗, cos^2 x-sin^2 x, 〖sin (〗⁡〖π/2-x)〗, 2 cos^2 x-1, 1-2sin^2 x, 2 sin⁡〖x cos⁡x 〗, sin⁡(-x), cos⁡x/sin⁡x, 1+tan^2 x, 1-sin^2 x, sec^2 x-tan^2 x, 1+cot^2 x, 1/cot⁡x, 1/tan⁡x, sec^2 x, sin⁡(π/2-x), sin⁡〖a cos⁡〖b+cos⁡〖a sin⁡b 〗 〗 〗, cos⁡〖a cos⁡〖b-sin⁡〖a sin⁡b 〗 〗 〗, sec⁡〖(-x)〗, sin⁡x, tan⁡(π/2-x), csc^2 x-cot^2 x, sin⁡2x, cos⁡2x, csc^2 x, tan⁡(-x), sec⁡(-x), cot⁡〖(-x)〗, -sin⁡ x, -tan⁡x, -csc⁡x, sin⁡(a+b), sin⁡(a-b), cos⁡(a+b) and cos⁡(a-b).

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