Home
Class 11
MATHS
Which is greater and why ? sin40^(@) o...

Which is greater and why ?
`sin40^(@)` or `cos50^(@)`

Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRICAL FUNCTIONS

    ICSE|Exercise Exercise 4(a)|15 Videos

  • TRIGONOMETRICAL FUNCTIONS

    ICSE|Exercise Exercise 4(b)|19 Videos

  • TRIGONOMETRIC EQUATIONS

    ICSE|Exercise CHAPTER TEST |6 Videos

Similar Questions

Explore conceptually related problems

Which is greater and why ? sin30^(@) or cos30^(@)

Which is greater and why ? sin55^(@) or cos55^(@)

Find the value of sin50^(@)-cos40^(@) .

If both the angles are acute and sin(3x+20^(@))=cos(2x-40^(@)) , find x

Without using trigonometric tables , evaluate : (i) (sin40^(@))/(cos50^(@))+(3tan50^(@))/(cot40^(@)) (ii) (sec37^(@))/("cosec "53^(@))-(tan20^(@))/(cot70^(@)) (iii) (cos74^(@))/(sin16^(@))+(sin12^(@))/(cos78^(@))-sin18^(@)sec72^(@) (iv) sin35^(@)sec55^(@)+(4sec32^(@))/("cosec "58^(@))

Evaluate: sin^(2)40^(@)-cos^(2)50^(@)

sin 10^@ is greater than cos 10^@ .

Express cos 320^(@) as a function of an angle between 0^(@) and 90^(@) I. cos40^(@) II. sin50^(@) III. cos50^(@)

The principal amplitude of (sin40^(@)+icos40^(@))^(5) , is

Prove that (sin20^(@) + sin40^(@)) + (cos20^(@) + cos40^(@))=(sqrt(3)+1)cos10^(@)