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solution is being enclosed...please speak to me if any query and confusion.RegardsPallvee
Question 1:
(a)
1
3
x 2n arcsin( 1 / 3), 2n arcsin( 1 / 3)
sin( x)
x 180 19.47,360 19.47
199.47,340.53
(b)
1
cot( x)
3
2
3
x 120,300
x n
Q2
(a)
1
sin( x )
x
2
3
4
,
4
(b)
cos( x) 2 / 3
x 2n arccos( 2 / 3)
x 2.3005,2 2.3005
Question 3:
(a)
sec( x)
1
cos( x)
1
cos ec( x)
tan( x) cos( x) sin( x) sin( x)
(b)
(sec( x) 1)(sec( x) 1) sec 2 ( x) 1 tan 2 ( x)
(c)
sin( x) sec( x)
sin( x)
tan( x)
cos( x)
Question 4:
(a)
tan B
sin( B)
sec( B)
cos( ...
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