Question

4.
sin 30° cot 45°sin 60°
+
cos 30°
COS 45°
sec 60° tan 45º
+
sin 90°​

Answer 1

Step-by-step explanation:

Expression = 1/2 × 1 × √3/2 + √3/2 × 1/√2 × 2 × 1 + 1 = √3/4 + √3/√2 + 1 = (√6 + 4√3 + 4√2/4√2.