Question

2 cot square 45 degrees + sin square 30 degrees - cos square 60 degrees​

Answer 1

Answer: the answer is 2

Step-by-step explanation:

It is explained in the image below

Answer 2

Answer:

2

Step-by-step explanation:

2 cot^2 (45°) =(2*1) = 2 (cot^2(45°) =(1)^2 =1

sin^2 (30°) =(1/2)^2=1/4

cos^2(60°)=(1/2)^2=1/4

then, 2+1/4-1/4 (1/4-1/4 =0)

answer is 2.