Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 10 Answered

pls explain
question image
Asked by gpnkumar0 | 25 Mar, 2018, 10:00: PM
answered-by-expert Expert Answer
begin mathsize 16px style tan space straight theta equals straight p over straight q Now comma space fraction numerator psin space straight theta minus qcos space straight theta over denominator psin space straight theta plus qcos space straight theta end fraction equals fraction numerator straight p cross times begin display style fraction numerator sin space straight theta over denominator cos space straight theta end fraction end style minus straight q cross times begin display style fraction numerator cos space straight theta space over denominator cos space straight theta end fraction end style over denominator straight p cross times fraction numerator sin space straight theta over denominator cos space straight theta end fraction plus straight q cross times fraction numerator cos space straight theta space over denominator cos space straight theta end fraction end fraction equals fraction numerator ptan space straight theta minus straight q over denominator ptan space straight theta plus straight q end fraction equals fraction numerator straight p cross times begin display style straight p over straight q end style minus straight q over denominator straight p cross times begin display style straight p over straight q end style plus straight q end fraction equals fraction numerator begin display style fraction numerator straight p squared minus straight q squared over denominator straight q end fraction end style over denominator begin display style fraction numerator straight p squared plus straight q squared over denominator straight q end fraction end style end fraction equals fraction numerator straight p squared minus straight q squared over denominator straight p squared plus straight q squared end fraction end style
Answered by Rashmi Khot | 26 Mar, 2018, 09:12: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 10 - Maths
ABCD is a rectangle in which diagonal AC is equals to 17 cm angle BCA is equals to thitha and sin theta is equals to 8/17 find the area of rectangle ABCDE (ii) the perimeter of rectangle ABCD
Asked by pathaksuman622 | 21 Apr, 2024, 11:56: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
√1+sin A/√1-sin A
Asked by vn3950372 | 18 Mar, 2024, 08:38: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
from the top of your vertical building of 350 m height on a level ground the angle of depression on of an object on the same ground is observed to be 60 degree find the distance of the object from the foot of the building
Asked by jayashreelatha04 | 17 Mar, 2024, 05:38: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
find the value of cos20 if 2sin20 is root 3
Asked by gauravgupta.20008 | 03 Feb, 2024, 05:36: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
6. A is an acute angle in right triangle, right angled at B then value of (sinA + CosA) is ( a) Greater than (b) less than 1 (c) equal to 1 (d) depends on value of A
Asked by sathwicksathwick06 | 01 Feb, 2024, 07:30: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
solution
question image
Asked by pankajmali55 | 25 Jan, 2024, 07:51: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Q1. Ina DABC, LB=90^{\circ} If AB=2cm and AC=3cm Find Sin A.
Asked by tanujmaan58 | 18 Jan, 2024, 08:47: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
if cos teta = 24/25 then write the value of sec teta
Asked by balu162 | 15 Jan, 2024, 08:53: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
if theta is an acute angle and sin theta = cos theta. then find the value of 3 tan² theta + 2 sin² theta +cos² theta - 1
Asked by yadavjasvir261 | 29 Nov, 2023, 06:19: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
sin18/cos72
Asked by rishinath2607 | 06 Oct, 2023, 03:06: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×