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Construction of 45 degree
Posted by Rohan Agarwal (Aug 19, 2017 3:51 p.m.) (Question ID: 13505)

Meaning of !
Posted by Satish Mishra (Aug 19, 2017 3:32 p.m.) (Question ID: 13494)

• Its is a sign of fractorial! Suppose for example lets take example of 6! (fractorial)- 6×5×4×3×2×1!
Answered by Parth Chaudhari (Aug 19, 2017 3:59 p.m.)
Thanks (2)
Co
Posted by Rohan Agarwal (Aug 19, 2017 3:19 p.m.) (Question ID: 13481)

tan15+cot15=4
Posted by Mohit Singh (Aug 19, 2017 8:23 a.m.) (Question ID: 13315)

How solve Miscellaneous example no. 16 Complex no. In easy method
Posted by Vishu Gujjar (Aug 19, 2017 7:14 a.m.) (Question ID: 13297)

Sir I want to ask that the additional math and main math are equal in commerce or same scope for additional and main math
Posted by Prakash Kumar (Aug 18, 2017 11:26 p.m.) (Question ID: 13242)

What is trignomentory
Posted by Lucky Yadav (Aug 18, 2017 11:20 p.m.) (Question ID: 13239)

Value of tan 18
Posted by Amit Vikram (Aug 18, 2017 10:48 p.m.) (Question ID: 13215)

• 0.32492
Answered by Ayushi Jain (Aug 18, 2017 11:06 p.m.)
Thanks (1)
√3cosec20 - sec20
Posted by Achint Kashyap (Aug 18, 2017 10:43 p.m.) (Question ID: 13212)

Tan13pi/12
Posted by Riya Tyagi (Aug 18, 2017 10:30 p.m.) (Question ID: 13198)

Cos square 45°sin square15°=squareroot 3/2
Posted by Riya Tyagi (Aug 18, 2017 10:13 p.m.) (Question ID: 13189)

n!/(n-r)! (1): n=6,r=2
Posted by Ashwani Gurjar (Aug 18, 2017 9:51 p.m.) (Question ID: 13164)

What is the value of sin45
Posted by Sachin Agrawal (Aug 18, 2017 9:17 p.m.) (Question ID: 13133)

• 1/√2
Posted by Eshika Sharma (Aug 18, 2017 9:58 p.m.)
• {tex}sin45°={1\over {\sqrt 2}}{/tex}

Answered by Dharmendra Kumar (Aug 18, 2017 9:45 p.m.)
Thanks (1)
• One root two
Answered by Abhishek Kushwaha (Aug 18, 2017 9:43 p.m.)
Thanks (1)
how to learn identities of trignometry
Posted by Simran Choudhary (Aug 18, 2017 9:07 p.m.) (Question ID: 13117)

In an isosceles trapezium ABCD ,if AB is parallel to CD ,show that angle ADC+ angle ABC =180°
Posted by Hritik Mishra (Aug 18, 2017 8:28 p.m.) (Question ID: 13051)

• tan15+cot15=4
Posted by Mohit Singh (Aug 19, 2017 8:05 a.m.)
• Summative assessment -1 2016-2017question papers
Posted by Mohit Singh (Aug 18, 2017 9:32 p.m.)
Lim [x³-4x²+4x] X->2
Posted by Rocks Singh (Aug 18, 2017 8:26 p.m.) (Question ID: 13048)

2!+3!
Posted by Susheel Yadav (Aug 18, 2017 7:06 p.m.) (Question ID: 12933)

• 2*1+3*2*1=8
Answered by Anushka Sharma (Aug 18, 2017 7:16 p.m.)
Thanks (1)
In a triangle ABC, tanA/2 = 5/6, tanB/2 = 20/37, then tanC/2 is equal to what?
Posted by Diwanker Singh (Aug 18, 2017 6:42 p.m.) (Question ID: 12898)

S a huge d
Posted by Dev Kanojia (Aug 18, 2017 6:28 p.m.) (Question ID: 12885)

How put k+1 in pmi
Posted by Ravi Sharma (Aug 18, 2017 6:17 p.m.) (Question ID: 12872)

|x-1|+|x-2|>=4
Posted by Heena Sharma (Aug 18, 2017 4:36 p.m.) (Question ID: 12815)

• X>4

Answered by Arun Soni (Aug 18, 2017 4:38 p.m.)
Thanks (3)
Formula for centroid of triangle
Posted by Yash Taneja (Aug 18, 2017 4:09 p.m.) (Question ID: 12802)

• C=({tex} {x_1+x_2+x_3\over 3}{/tex},{tex}{y_1+y_2+y_3 \over 3}{/tex})

Answered by Arun Soni (Aug 18, 2017 4:20 p.m.)
Thanks (1)
Rules for integrarion
Posted by Saundarya Saundarya (Aug 18, 2017 2:18 p.m.) (Question ID: 12751)

What is standard position of an angle
Posted by Mayank Raj (Aug 18, 2017 3:44 a.m.) (Question ID: 12633)

What is dot
Posted by Shivam Gupta (Aug 18, 2017 12:10 a.m.) (Question ID: 12619)

If A lies in the second quadrant and 3 tanA+4=0, the value of 2cotA -5cos A+sin A is equal to- (a) -53/10. (b) 23/10. (c) 37/10. (d) 7/10
Posted by Sanjay Kumar (Aug 17, 2017 10:50 p.m.) (Question ID: 12576)

Cos210^o
Posted by Tanveee Alam (Aug 17, 2017 10:34 p.m.) (Question ID: 12562)

• cos(90*2+30)° here Cos thita lie on the third quadrant so thita will be -ve and value of cos 30° is under root3 by 2 so the value of cos210° is -under root3 by 2
Thanks (1)
Prove that :- [1+secα-cot(α+π/2)] [1+secα+cot(α+π/2)]-2=2secα
Posted by Rohit Rattan (Aug 17, 2017 10:03 p.m.) (Question ID: 12531)

Value of 31pi/3
Posted by Akhil Ganapathy (Aug 17, 2017 8:55 p.m.) (Question ID: 12420)

• In trigonometry,

31π/3

=31×180°÷3

=31×60°

=1860°

Or, in mensuration,

31π/3

=31×22/7÷3

=32.49

Answered by Soumya Ghoshal (Aug 17, 2017 9:41 p.m.)
Thanks (2)
If sin a + sin b + sin c = cos a + cos b + cos c = 0 then prove that sin 3 a + sin 3 b + sin 3 c = 3 ( sin a+b+c /2)
Posted by Neelanksh Mehta (Aug 17, 2017 7:47 p.m.) (Question ID: 12313)