Ask a Doubt
Request a call back

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

CBSE Class 10 Answered

Page 410 Qstn 31 Cos4 θ – sin4θ =
Asked by miniprasad | 23 Oct, 2018, 09:58: PM
answered-by-expert Expert Answer
begin mathsize 18px style cos to the power of 4 straight theta space minus space sin to the power of 4 straight theta straight L. straight H. straight S. equals open parentheses sin squared straight theta close parentheses squared minus open parentheses cos squared straight theta close parentheses squared equals open parentheses sin squared straight theta plus cos squared straight theta close parentheses open parentheses sin squared straight theta minus cos squared straight theta close parentheses equals open parentheses sin squared straight theta minus cos squared straight theta close parentheses now space you space can space sub comma sin squared straight theta equals 1 minus cos squared straight theta space space space space or space space space space space cos squared straight theta equals 1 minus sin squared straight theta space end style
Answered by Arun | 24 Oct, 2018, 10:22: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 10 - Maths
cos80÷ sin10+cos59• cosec31
Asked by raopaidi | 25 Apr, 2024, 04:06: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
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
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×