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Select the correct option from the given alternatives:The number of principal solution of `cos3x = frac{1}{2}`

A

2

B

4

C

6

D

8

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CHETANA PUBLICATION-Trignometric Functions-EXERCISE
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  2. Select the correct option from the given alternatives:The number of pr...

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  3. Select the correct option from the given alternatives:The number of pr...

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  4. Select the correct option from the given alternatives: The principal s...

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  5. Select the correct option from the given alternatives: The ratio of th...

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  6. Select the correct option from the given alternatives: cos^-1(-x) =......

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  7. If x gt 0, y gt 0, xy = 1 then tan^-1x+tan^-1y = .... A ) 0 B ) pi C...

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  8. Select the correct option from the given alternatives:cos^-1(cos(frac{...

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  9. Select and write the correct answer from the given alternative in the ...

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  10. Select and write the correct answer from the given alternative in the ...

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  11. Select and write the correct answer from the given alternative in the ...

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  12. Answer the following: Find the principal solution of secx = 2

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  13. Answer the following: If in /\ABC, a=7, A=60^@ then find its circumr...

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  14. Alternative the following: Find the cartesian coordinates of the point...

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  15. Attempt the following: Find the principal solution of tan^-1sqrt3

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  16. Attempt the following: In /\ABC, if a=2, b=3 and c=4 then find cosC

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  17. Attempt the following: Prove that for x gt 0, y gt 0, xy gt 1.

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  18. show that: Tan^-1x+tan^-1y = tan^-1(frac{x+y}{1-xy})

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  19. Attempt the following: Find the general solution of sintheta+sin3theta...

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  20. Attempt the following: In /\ABC, prove that tan(frac{B-C}{2}) = frac{b...

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