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NCERT ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
- Find the value of other five trigonometric function tanx=-5/(12), x l...
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- Find the values of the trigonometric function sin 765^(@)
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- Find the values of the trigonometric function c o s e c(-1410^@).
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- cot^2pi/6+cose c(5pi)/6+3tan^2pi/6=6
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- 2sin^2(pi/6 )+c o s e c^2((7pi)/6)cos^2(pi/3)=3/2
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- sin^2pi/6+cos^2pi/3-tan^2pi/4=-1/2
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- Prove that:(tan(pi/4+x))/(tan(pi/4-x))=((1+tanx)/(1-tanx))^2
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- Prove that:cos(pi/4-x)cos(pi/4-y)-sin(pi/4-x)sin(pi/4-y)=sin(x+y)
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- Find the value of : (i) sin75^o (ii) tan15^o
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- 2sin^2(3pi)/4+2cos^2pi/4+2sec^2pi/3=10
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- Prove that: cos((3pi)/2+x)cos(2pi+x)[cot((3pi)/2-x)+cot(2pi+x)]=1
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- Prove that: (cos(pi+x)cos(-x))/(sin(pi-x)cos(pi/2+x))=cot^2x
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- Find sinx/2,cosx/2 and tanx/2of the following : sin x =1/4,x in quadr...
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- Find the values of the trigonometric function cot(-(15pi)/4)
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- In a circle of diameter 40 cm. The length of a chord is 20 cm. Find t...
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- Find the degree measure of the angle subtended at the centre of a cir...
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- Find the angle in radian through which a pendulum swings if its lengt...
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- If in two circles, arcs of the same length subtend angles 60^@and 75^...
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- Find the radian measures corresponding to the following degree measur...
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- A wheel makes 360 revolutions in one minute. Through how many radians...
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