मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

Find the value of : cos (600°) - Mathematics and Statistics

Advertisements
Advertisements

प्रश्न

Find the value of :

cos (600°)

बेरीज

उत्तर

cos (600°) = cos (360° + 240°)

= cos 240°

= cos (180° + 60°)

= – cos60°

= -12.

shaalaa.com
Trigonometric Functions of Allied Angels
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Trigonometry - 2 - Exercise 3.2 [पृष्ठ ४२]

APPEARS IN

संबंधित प्रश्‍न

Find the values of:

cos 75°


Find the value of :

sin 690°


Find the value of :

sin (495°)


Find the value of :

tan 225°


Find the value of :

sec 240°


Find the value of :

sec (– 855°) 


Find the value of :

cosec 780°


Find the value of :

cot (– 1110°)


Prove the following:

cos(π+x)cos(-x)sin(π-x)cos(π2+x) = cot2x


Prove the following:

sec 840° . cot (– 945°) + sin 600° tan (– 690°) = 32


Prove the following:

cosec(90-x)sin(180-x)cot(360-x)sec(180+x)tan(90+x)sin(-x) = 1


Prove the following:

sin3(π+x)sec2(π-x)tan(2π-x)cos2(π2+x)sin(π-x)cosec2-x = tan3x


Select the correct option from the given alternatives :

If sin θ = n sin (θ + 2α), then tan (θ + α) is equal to


Prove the following:

sin 18° = 5-14


Prove the following:

cos 36° = 5+14


Prove the following:

tan6° tan42° tan66° tan78° = 1


Prove the following:

sin47° + sin61° − sin11° − sin25° = cos7°


If a = sin 175°+ cos 175°, then ______.


If θ = 17π3 then, tan θ – cot θ = ______.


The value of sin 495° is ______.


The value of sin(– 1125°) is ______.


Find the value of cos(29π3).


If cosA3=cosB4=15,-π2<A<0 and -π2<B<0, then the value of 2 sin A + 4 sin B is ______.


The value of cot54tan36+tan20cot70 is ______.


The value of cos2 π16+cos2 3π16+cos2 5π16+cos2 7π16 is ______.


If tan θ = 17, then (cosec2θ-sec2θ)(cosec2θ+sec2θ) is equal to ______.


If ΔABC is a right angled at C, then tan A + tan B is equal to ______.


If sinA-6cosA=7cosA, then cosA+6sinA is equal to ______.


The value of the expression sin6 θ + cos6 θ + 3 sin2 θ . cos2 θ is ______.


The value of 2sin2 π6+cosec2 7π6cos2 π3 is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×
Our website is made possible by ad-free subscriptions or displaying online advertisements to our visitors.
If you don't like ads you can support us by buying an ad-free subscription or please consider supporting us by disabling your ad blocker. Thank you.