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Grade 12Differential Calculus

Blue circles r doubts

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Profile image of aakanksha
11 Years agoGrade 12
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2 Answers

Profile image of anemous
ApprovedApproved Tutor Answer11 Years ago
by solving f(x) you will get it as constant functn whose value is 5/4 then u can easily find G(F(x))
Profile image of erra akhil
ApprovedApproved Tutor Answer11 Years ago
Dear Aakanksha,
For such kind of problems to be done in a short time it is better to subsitute some value in place of x.If you substitute 0,in f(x) you get it to be 5/4 and g(5/4)=1.
Hence answer is 1.
You can also solve the problem using rules of trignometry and if you solve so you get f(x) to be a constant function.
Approve if this helped you out.

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