0

Guest

Courses New

Give solution to the attached problem

Give solution to the attached problem

Question Image
Grade:12th pass

1 Answers

Jitender Singh IIT Delhi
askIITians Faculty 158 Points
9 years ago

Hello student,
Please find answer to your question
y = (cot\alpha )x^{2} + 2(\sqrt{sin\alpha })x + \frac{1}{2}tan\alpha
y < 0, x\in R
\Delta < 0
b^{2}-4ac < 0
b^{2}<4ac
(2\sqrt{sin\alpha })^{2}<4.cot\alpha.\frac{1}{2}tan\alpha
sin\alpha < \frac{1}{2}
\Rightarrow \alpha \in [0, 2\pi ] - [\frac{\pi }{6}, \frac{5\pi }{6}]
Thanks & Regards
Jitender Singh
IIT Delhi
askIITians Faculty

Think You Can Provide A Better Answer ?

Other Related Questions on Trigonometry

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More