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Find the values of the following :- {:...

Find the values of the following :-
`{:((a)sin390^(@)"",(b)cos 405^(@)),((c)tan420^(@)"",(d)cos 450^(@)),((e)sin(2pi+(pi)/(6)),(f)cos(2pi+(pi)/(3))):}`

Text Solution

Verified by Experts

The correct Answer is:
`{:((a)(1)/(2),(b)(1)/(sqrt(2)),(c)sqrt(3)),((d)0,(e)(1)/(2),(f)(1)/(2)):}`
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ALLEN-RACE-Basic Maths (Trigonometry)
  1. Find the value of following :- {:((a)sin 150^(@)"", (b)sin 135^(@)),...

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  2. Find the value of the following :- {:((a)sin((pi)/(6)),(b)cos ((pi)/...

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  3. Find the values of the following :- {:((a)sin390^(@)"",(b)cos 405^(@...

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  4. Find the values of the following :- {:((a)sin(-30^(@)),(b)cos(-45^(@...

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  5. Find the values of all the the T-Rations if :- (a) cos thata =(7)/(2...

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  6. Calculate the value of following :- {:((a)cos75^(@)"",(b)sin15^(@)),...

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  7. The values of sintheta(1), cos^(2)theta(2) and tan theta(3) are given ...

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  8. Statement 1 : For very small angle theta, we may use approximation sin...

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  9. What is value of expression 2(sin15^(@)+sin75^(@))^(2)?

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  10. Find the value of 5(sin100^(@)cos27^(@)+sin27^(@)cos100^(@)).

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  13. Angle of elevation is the angle which line of sight makes with the hor...

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  14. If tantheta=(24)/(7) and sintheta is negative then value of costheta w...

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  15. Suggest suitable match between fuction given in the first column and i...

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  16. Depending on in which quadrant an angle theta lies, functions costheta...

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