Question

Determine the value of:(sin 38 o cos 52 o + cos 2 38 o ) X sin 30 o + (cos 60 o tan 45 o ) X sec 60 o

Q: Answer-Determine the value of:(sin 38 o cos 52 o + cos 2 38 o ) X sin 30 o + (cos 60 o tan 45 o ) X sec...

sin 38 o cos 52 o cos 2 38 o X sin 30 o cos 60 o tan 45 o X sec 60 o sin 38 o cos 90 - 38 o cos 2 38 o X sin 30 o cos 60 o tan 45 o sec 60 o Using, cos 90 o - A sin A sin 2 38 o cos 2 38 o sin 30 o cos 60 o tan45 o sec 60 o Using, sin 2 A cos 2 A 1 1 X 12 12 X 1 X 2 12 1 32