IIT JEE TRIGONOMETRIC FUNCTIONS If `tanalpha` is equal to the integral solution of the inequalit...

483 views · Published 21 September 2017 · 3:12 · Indexed 30 October 2026

Channel: Doubtnut · 2017 · Education

Watch on YouTube

This is the Solution of question from Cengage Publication Math Book Trigonometry Chapter 6 TRIGONOMETRIC FUNCTIONS written By G. Tewani. You can Find Solution of all math questions from CENGAGE BOOK on our app DOUBTNUT for free. Download Doubtnut from - https://doubtnut.app.link/OhU5kK1GxR

If `tanalpha`
is equal to the integral solution of the inequality `4x^2-16 x+15 lt 0`
and `cosbeta`
is equal to the slope of the bisector of the first quadrant, then `sin(alpha+beta)sin(alpha-beta)`
is equal to
(a)`3/5`
 (b) `3/5`
 (c) `2/(sqrt(5))`
 (d) `4/5`

==== SCORE 100% WITH DOUBTNUT ====

Doubtnut ऍप पर आप कक्षा ६ से १२ (IIT JEE तक) के NCERT and IIT JEE Mains & Advanced के मैथ/गणित के सभी सवालों के वीडियो देखिये और मुफ्त में खोजिये किसी भी गणित सवाल का जवाब - १ लाख से भी ज़्यादा सवालों के जवाब हैं Doubtnut ऍप पर.

Doubtnut App has video solutions of ALL the NCERT questions from Class 6 to 12 (including IIT JEE). You can also ask any Math question and get a video solution for FREE from a library of more than 1 Lakh Math Videos.

#jeemains2019 #iitjeemaths #cengage #cengagemaths #cengagesolution #jeemains.

==== FOLLOW US ON====

Website : www.doubtnut.com

Doubtnut PAGE: https://www.facebook.com/doubtnut

DOUBTNUT IIT JEE Group: https://www.facebook.com/groups/251747588948573

More from this channel