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Since the trigonometric functions are defined in right triangles like(opp side/hypotenuse) How is it possible to find values for trigonometric functions with greater angles like 270,175,etc since in the first case a triangle cant be formed with one of its angle as 270 degrees and in the second case a right triangle cant be formed with one of its angle as 175 degrees. Though trigonometric functions has corresponding values for such angles. Then how is it defined i.e, by what kind of relation is the angle in the domain connected to its corresponding value in the range? Moreover what does the values of angles greater than signify?And what was the reason or motive to expand trigonometry beyond 90 degrees? There should be something right ;) since everything in mathematics was invented out of practical needs

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Posted by Royce Lj 7 years, 11 months ago

CBSE > Class 12 > Mathematics

2 answers

Yash Mangal 7 years, 11 months ago

Trigonometric functions are not defined only for right angled triangles it is defined for all types of triangles if you counter it deeply and the angles which are beyond 90 could be reduced under 90 in trigonometric functions

Nishtha Pandya 7 years, 11 months ago

From the graph like pi + or oi - where pi =180 degree

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Simplify sin-1{sinx + cosx÷root2} and cos-1{3/5cosx+ 4/5sinx}

Posted by Ananya Sharma 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Sin(x-alpha) /sin(x+alpha)

Posted by Mayank Awasthi 7 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

Shashi Kant Thakur 7 years, 11 months ago

Use sin(a+_b) identity simplyfiy.....??

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Which book should I choose foe maths board suggest me

Posted by Sakshi Devgn 7 years, 11 months ago

CBSE > Class 12 > Mathematics

2 answers

Yash Mangal 7 years, 11 months ago

Ncert is best option and for further practice use solved and unsolved sample papers i suggest arihant or oswal

Shashi Kant Thakur 7 years, 11 months ago

NCERT ☺️☺️☺️

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All indiavcbse 2016

Posted by Aakash Sahu 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

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Sin5xcos4x

Posted by Amit Kumar 7 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

Rashi Bamne 7 years, 11 months ago

multiply n divide by 2 thn use the formula 2sinAcosB

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Draw 9 fixture of team knockoutbasic

Posted by Anand Raj 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

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Diffrentiate root of x^2 +1-log 1/x+ root of 1+1/x^2

Posted by Archit Saxena 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

slove differential equations

Posted by Kanwalpreet Singh 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

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The equation of the image of the cicle X(sq.)+Y(sq.)+16X-24Y+183=0 in the line mirror 4X+7Y+73=0 is?

Posted by Nikhil Maurya 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

A road of 10 m wide surrounds a circular park whose perimeter is 352 m.find the area of the road

Posted by Mayura Jain 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Integral of 1dz÷sinz+1

Posted by Kajal Madaan 7 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

Anuradha Bhatnagar 7 years, 11 months ago

Try to rationalise. Multiply and divide by 1_sinz

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Value of sin180

Posted by Himanshu Jain 7 years, 11 months ago

CBSE > Class 12 > Mathematics

2 answers

Abhay Kumar Mishra 7 years, 11 months ago

0 as similar sin0°

Sahiba Bhayana 7 years, 11 months ago

Sin 180 =0

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If the sum of the lengths of hypotenuse and a side of a right angled triangle is given show that the area of the triangle is maximum when the angle between them is pi/3

Posted by Aarti Yadav 7 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

Simran Choudhary 7 years, 11 months ago

The answer will be :- 41

3Thank You

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In application of integration to find out the area under the curve we take a strip(considered the area between x axis and the curve) whose area is dx.y.It is possible only when the figure is a rectangle but it cannot be in all aspects. But even then also we will consider it as rectangular figure in all problems. Why????

Posted by Navaneeth Krishna 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

xydy/dx=(1+x) (1+y)

Posted by Anurag Anand Shahi 7 years, 11 months ago

CBSE > Class 12 > Mathematics

2 answers

Madhavi Likhar 7 years, 11 months ago

Use separation of variable

Shivam Chandramani 7 years, 11 months ago

ANSWER

Find the vector equation for the line passing through the points (-1,0,2)and(3,4,6)

Posted by Sorya Sharma 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Miscellaneous exercise on chapter-12 solutions

Posted by Sorya Sharma 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

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Dy/dx

Posted by Mrityunjay Kumar 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

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Is integration carry much more marks than derivative?

Posted by Soumyadeep Basu 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

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An aeroplane can carry a maximum of 25. Passensers .aprofit

Posted by Hament Chaudhary 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

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1/xsq._3x+5 of whole power 3 differentiation

Posted by Sudhanshu Kumar 7 years, 11 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

What is the integration of sinx ?

Posted by Gaurav Kumar Sah 7 years, 11 months ago

CBSE > Class 12 > Mathematics

2 answers

Astik Baghel 7 years, 11 months ago

_cosx

Siddharth K 7 years, 11 months ago

-cosx

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Solve tan-(x+1)+tan-(x-1)=tan-(8/31)

Posted by Vikash Dubey 7 years, 11 months ago

CBSE > Class 12 > Mathematics

1 answers

Kalash Keshrwani 7 years, 11 months ago

Isme tan×+y ka formula use hoga

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Intigration of( x^2+1)

Posted by Aditi Shukla 7 years, 11 months ago

CBSE > Class 12 > Mathematics

3 answers

Pragati Pandey 7 years, 11 months ago

x^3/3+x+c

Kalash Keshrwani 7 years, 11 months ago

×^4÷4

3Thank You

Astik Baghel 7 years, 11 months ago

x^3÷3+x