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Question number 1 of integer type. Please so give complete solution.

Question number 1 of integer type. Please so give complete solution. 

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Grade:12

2 Answers

Vedanta kanath
18 Points
3 years ago
f(x)=(sin½x+cos½x)(sin¼x+cos¼x)(sin⅛x-cos⅛x)4/sinx +cosx
Applying the formula (a+b)(a-b)=a²-b² and simplifying the numerator we get 
f(x)=4 (sinx+cosx)/(sinx+cosx)
Therefore f(x)=4
Pls approve my ans
Vikas TU
14149 Points
3 years ago
Dera student 
Please ask only single question in a thread.
It will be easier for us to ans.
Good Luck ................
Cheers ................

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