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If tan beta = 2 sin alpha sin gamma " c...

If ` tan beta = 2 sin alpha sin gamma " cosec "(alpha + gamma)` , then ` cot alpha , cot beta and cot gamma ` are in

A

A.P.

B

G.P.

C

H.P.

D

A.G.P.

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AAKASH SERIES-COMPOUND ANGLES-PRACTICE SHEET (EXERCISE - I) LEVEL - I
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  2. If (cosx)/(cosy)=2 and cos (x-y)=(sqrt(3))/(2) then tan y=

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  3. If tan beta = 2 sin alpha sin gamma " cosec "(alpha + gamma) , then ...

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  4. Assertion (A): tan40^(@) + tan 80^(@) - sqrt(3)tan 40^(@) tan80^(@)=-s...

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  6. I : If x cos theta = y cos (120^@ + theta ) = z cos ( theta + 240^(@)...

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  7. Statement I: If sin alpha = 12/13, (0 lt alpha lt pi/2) and cos beta =...

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  8. If A=35^(@) , B= 15^(@) and C=40^(@) , then tan A* tan B+ tan B* tan...

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  10. Arrange the following values in the ascending order of P,Q,R. If A+B+C...

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  12. Statement I : If m cos(theta+alpha)=n cos (theta-alpha) then tan theta...

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  13. Let A=pi/7, B =(2pi)/7, C=(4pi)/7 and cosA cos B cosC=-1//8, then 2sum...

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  14. If cos 2B=(cos (A+C))/(cos(A-C)) , then tan A , tan B , tan C are in

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  16. If cos25^(@)+sin25^(@)=p, then cos 50^(@) is

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  17. Statement I : If A+B+C=pi (A,B,C gt 0) and the angle C is obtuse then ...

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  18. Match the following : {:(,"List - I",,"List - II"),((1),cot((pi)/(...

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  19. A=(cos9^(@)-sin9^(@))/(cos9^(@)+sin 9^(@)), B=(cos21^(@)+sin21^(@))/(c...

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  20. If tan""[(pi)/4 + theta ]+tan[(pi)/(4)- theta ]=a " then " tan^(3)[(pi...

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