Question

Download App for Answer

# 28. 1+ cos cos 20 + cos 60 cos 40 sin 30 sin e

JEE/Engineering Exams

Maths

Solution

Share

163

4.0 (1 ratings)

163

4.0 (1 ratings)

Rate Solution

Share

Relevant Questions

The system of linear equations

JEE/Engineering Exams

Maths

The total cost of 10 erasers and 5 sharpeners is at least Rs 65. The cost of each eraser cannot exce...

JEE/Engineering Exams

Maths

5. The conjugate of 1/ (2+i) is
A. (2+i)/5
B. (2-i)/5
C.5/(2-)
D.5/(2+i)

JEE/Engineering Exams

Maths

Prove that (sin3A + sinA)sinA + (cos3A-COSA) COSA = 0

JEE/Engineering Exams

Maths

10. IF A+B+C =
then tan Atan B+tan B tan C+tan C tan A=
(a) 1
(b) o
(c)-1
(d) 2

JEE/Engineering Exams

Maths

>

Recent Questions