Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class
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Last updated at May 29, 2023 by Teachoo
Question 1 Evaluate tan 65° /cot 25° . Now, tan 65 / cot 25 We know that 25 + 65 = 90 Hence, 65 = 90 - 25 So, we put tan 65 as tan (90 - 25) = ( tan (90 - 25))/cot 25 Now, we know that tan (90 - θ) = cot θ = cot 25 /cot 25 = 1