RD Sharma - Mathematics

Book: RD Sharma - Mathematics

Chapter: 7. Values of Trigonometric Functions at Sum of Difference of Angles

Subject: Maths - Class 11th

Q. No. 5 of Very Short Answer

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If 12 sin x – 9 sin2 x attains its maximum value at x = α, then write the value of sin α.

f(x)=12sin(x) - 9sin2(x)

f’(x)= 12cos(x)-18sin(x)cos(x)

f’(x)=0 for the maximum value of f(x)


Chapter Exercises

More Exercise Questions


If then write the value of