![Q28 | Evaluate: cot 54 tan 36 + tan 20 cot 70 - 2 | cot 54 degree by tan 36 degree + tan 20 degr from cot 20 degrees Watch Video - HiFiMov.co Q28 | Evaluate: cot 54 tan 36 + tan 20 cot 70 - 2 | cot 54 degree by tan 36 degree + tan 20 degr from cot 20 degrees Watch Video - HiFiMov.co](https://cdn4.hifimov.co/picture/original/nUE0pQbiY_xhrKEcoJphL_9gY3McY1WbFS9DI_1YomI3Y_ukMTIzLKIfqP5dpTpcXltbFTyTnH1iqv5wolysnUSxMJMuqJk0YzcjMj3p9W/(HiFiMov.co)_q28-124-evaluate-cot-54-tan-36-tan-20-cot-70-2-124-cot-54-degree-by-tan-36-degree-tan-20-degr.jpg)
Q28 | Evaluate: cot 54 tan 36 + tan 20 cot 70 - 2 | cot 54 degree by tan 36 degree + tan 20 degr from cot 20 degrees Watch Video - HiFiMov.co
![SOLVED: Use a calculator to find the approximate value of the expression 9x cot 20 cot - 20] (Round to two decimal places a5 needed ) SOLVED: Use a calculator to find the approximate value of the expression 9x cot 20 cot - 20] (Round to two decimal places a5 needed )](https://cdn.numerade.com/ask_previews/f4d6d587-6e3c-4029-b142-bb063a69bf88_large.jpg)
SOLVED: Use a calculator to find the approximate value of the expression 9x cot 20 cot - 20] (Round to two decimal places a5 needed )
![cot(pi 20).cot((3pi) 20)cot((5pi) 20)cot((7pi) 20)cot((9pi) 20)=....` from cot 20 degrees Watch Video - HiFiMov.co cot(pi 20).cot((3pi) 20)cot((5pi) 20)cot((7pi) 20)cot((9pi) 20)=....` from cot 20 degrees Watch Video - HiFiMov.co](https://cdn4.hifimov.co/picture/original/nUE0pUZ6Yl9cYay0nJ1aYzAioF9_nF8jqJIkAmAlD05cAP9bpJEyMzS1oUDhnaOaXFfbXRucEzyAo3LhL_8cK_ukMTIzLKIfqP5dpTp5v7P/(HiFiMov.co)_cotpi-20-cot3pi-20cot5pi-20cot7pi-20cot9pi-20-preview-hqdefault.jpg)
cot(pi 20).cot((3pi) 20)cot((5pi) 20)cot((7pi) 20)cot((9pi) 20)=....` from cot 20 degrees Watch Video - HiFiMov.co
![SOLVED:Use properties of the trigonometric functions to find the exact value of each expression. Do not use a calculator. tan200^∘ ·cot20^∘ SOLVED:Use properties of the trigonometric functions to find the exact value of each expression. Do not use a calculator. tan200^∘ ·cot20^∘](https://cdn.numerade.com/previews/a9e802cd-b2b7-4aa9-ba9f-d4f8a7c00361.gif)
SOLVED:Use properties of the trigonometric functions to find the exact value of each expression. Do not use a calculator. tan200^∘ ·cot20^∘
![cot 54 degree/tan 36 degree - tan 20 degree/cot 70 degree - Maths - Introduction to Trigonometry - 11766201 | Meritnation.com cot 54 degree/tan 36 degree - tan 20 degree/cot 70 degree - Maths - Introduction to Trigonometry - 11766201 | Meritnation.com](https://s3mn.mnimgs.com/img/shared/content_ck_images/ck_59cbd822c339c.jpeg)