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nah there isn't any specific technique u will just need to memorize all the trig formulas u have from ur AS level and A2 level book and practice a lot of questions on prove identity to get experienced in solving them. you only need to memorize the formulas and practice a lot to be experienced how to deal with these questions and which formulas to use.
i checked the syllabus if thats what u mean then yes these r the formulas also
yeah plus u need to know cot = 1/tan or cot = cos/sin and cosec = 1/sin and sec = 1/cos
1. convert it into this form ... (3x+1)^0.5
Please help me solve the question above (I'll appreciate a step-by-step explanation).
Thanks!
ignore the ......... it is for gap1. convert it into this form ... (3x+1)^0.5
2. add 1 to the power... (3x+1)^1.5
3.divide the whole thing with the new power [(3x+1)^1.5] / 1.5
4. differentiate the term inside the bracket. that wud be 3
5. divide the whole term with 3.
6.[ (3x+1)^1.5] divided by [ 1.5 x 3]
7. that would make it [(3x+1)^1.5]
....................................__________ + C
..........................................4.5
8. now you put limits ... put 1 into x then put 0 into x.
then substact the X=0 term from the X=1 term
9. putting 1
[(4^1.5)] ............... [(3(0)+1)^1.5]
_______ _ _________
4.5............................... 4.5
10. (16/9) _ (2/9)
it will give you 14/9 as the final answer
this looks tough but is a peice of cake as the numbers given suggest.
1. convert it into this form ... (3x+1)^0.5
2. add 1 to the power... (3x+1)^1.5
3.divide the whole thing with the new power [(3x+1)^1.5] / 1.5
4. differentiate the term inside the bracket. that wud be 3
5. divide the whole term with 3.
6.[ (3x+1)^1.5] divided by [ 1.5 x 3]
7. that would make it [(3x+1)^1.5]
....................................__________ + C
..........................................4.5
8. now you put limits ... put 1 into x then put 0 into x.
then substact the X=0 term from the X=1 term
9. putting 1
[(4^1.5)] ............... [(3(0)+1)^1.5]
_______ _ _________
4.5............................... 4.5
10. (16/9) _ (2/9)
it will give you 14/9 as the final answer
thats a rule of integration... we add one to the power... divide the term with new power and divide it with the differential of the term
in step 6 i multiplied 1.5 by 3 becux
Thank you for your reply..in step 6 i multiplied 1.5 by 3 becux
somethng divided by 3 divided by 1.5 can also be written as
something divided by (1.5 x3)
okThank you for your reply..
I'm still confused
Are we dividing just the denominator by 3 or the whole term?
3/2 divided by 3 = 3/6 !
If you don't mind.. can you please please show the working..
What do you mean by that?
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