ICSE Class 9 Answered
how do u solve this
solve for x
1) 2cos (3x-15) =1
2) cos x divided by 3 -1=0
Asked by cibysunny | 09 Jan, 2019, 05:07: PM
Expert Answer
2cos(3x - 15) = 1
cos(3x - 15) = 1/2
3x - 15 = 60 As cos60 = 1/2
3x = 75
x = 25
Answered by Sneha shidid | 10 Jan, 2019, 11:03: AM
Application Videos
Concept Videos
ICSE 9 - Maths
Asked by harshansingh92 | 09 Apr, 2024, 06:10: PM
ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by patnamprakash545 | 07 Apr, 2024, 05:23: PM
ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by ysubha24 | 06 Apr, 2024, 06:24: AM
ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by jahnvi | 31 Mar, 2024, 01:10: PM
ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by papunsarkar | 28 Mar, 2024, 08:30: AM
ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by djhsm.sarah.hooda.sajid.nadiya | 25 Mar, 2024, 05:33: PM
ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by jatinderkaur19852008 | 19 Mar, 2024, 05:03: PM
ANSWERED BY EXPERT