help me in solving it..
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Anonymous:
which one ??
any which you know better
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Answered by
1
Answer:
3rd is - 2
Step-by-step explanation:
Answered by
1
5 )
sec²theta ( 1 + sin thetha ) ( 1 - sin thetha )
= sec² thetha ( 1 - sin²thetha )
sec²thetha ( cos² thetha )
= 1 Ans.
4 )
Common difference = 4 - ( - 3 ) = 7
T21 = a + 20d = -3 + 20 × 7 = -3 + 140 = 137Ans. i
sec²theta ( 1 + sin thetha ) ( 1 - sin thetha )
= sec² thetha ( 1 - sin²thetha )
sec²thetha ( cos² thetha )
= 1 Ans.
4 )
Common difference = 4 - ( - 3 ) = 7
T21 = a + 20d = -3 + 20 × 7 = -3 + 140 = 137Ans. i
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