bro how they get tan50 (1 Viewer)

Sylfiphy

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In the question they factorised ‘Tx’ out and then inside the brackets they continued to factorise but I don’t get how they made tan50 becos I thought cos over sin was cot??
 

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yolo tengo

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In the question they factorised ‘Tx’ out and then inside the brackets they continued to factorise but I don’t get how they made tan50 becos I thought cos over sin was cot??
cos 50/sin 50 is cot 50, but cot 50 = 1/tan 50, hopefully this helps lol
 

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