Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

A line AB in three dimensional space makes angles 45° and 120° with the positive x – axis and the positive y – axis respectively. If AB makes an acute angle ? with the positive z – axis, then ? equals -

A line AB in three dimensional space makes angles 45° and 120° with the positive x – axis and the positive y – axis respectively. If AB makes an acute angle ? with the positive z – axis, then ? equals -

Grade:12

2 Answers

SHAIK AASIF AHAMED
askIITians Faculty 74 Points
6 years ago
Hello student,
240-1956_14.PNG
Thanks and regards
Shaik Aasif
askIITians faculty
SHAIK AASIF AHAMED
askIITians Faculty 74 Points
6 years ago
Hello student,
Directional cosines of line segment AB is cos 45,cos 120,cos\Theta
so cos245+cos2120+cos2\Theta=1
we get cos\Theta=1/2
so\Theta=60 degrees.
Thanks and regards
Shaik Aasif
askIITians faculty

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free