If the expression + sin(32x + 1) - ...
Question
Fullscreen

If the expression + sin(32x + 1) - 18 cos(19x ) + cos(56x + x) - 9 sin(x + 177) is expressed in the form of a sinx + b cosx, then (a + b) is equal to (A) 17 (B) 27 (C) 13 (D) 23

JEE/Engineering Exams
Maths
Solution
110
Rating
4.0 (1 ratings)
Fullscreen
( 18 cos x+9 sin x ) en eamparing with beos ( x+a sin x ) ( therefore a=9 )
Quick and Stepwise Solutions Just click and Send Download App OVER 20 LAKH QUESTIONS ANSWERED Download App for Free