Ask a Doubt
Request a call back

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

CBSE Class 10 Answered

Evaluate (cos²67°-sin²3°)
Asked by shivanshuranjeet | 05 Mar, 2019, 08:58: PM
answered-by-expert Expert Answer
Your space question space should space be cos squared 67 minus sin squared 23 rightwards double arrow cos squared open parentheses 90 minus 23 close parentheses minus sin squared 23 rightwards double arrow sin squared 23 minus sin squared 23 equals 0
Answered by Arun | 06 Mar, 2019, 09:14: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 10 - Maths
the poles AB and CD of different heights are standing vertically on the ground level from a point P on the line joining the foots of the pole on the level of ground the angle of elevation to the top of the pole are founded to be complementary the of the CD and the distance PD 20√3m and 20m respectively if the BP is 10m then find the length of AB and the distance AC between the tpo of the poles
Asked by mraniruddha03 | 02 Apr, 2024, 06:44: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Prove that-- tanA+secA-1/tanA-secA+1 = 1+sinA/cosA
Asked by priyanshdhiman2008 | 25 Dec, 2023, 03:12: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
tan15° + tan30° + tan15° ×tan30°=1
Asked by deepakverma786024 | 18 Dec, 2022, 05:43: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Given that sin tita =a/b,then tan tita is equal to
Asked by Bavashreelogasundaram | 22 Sep, 2022, 08:26: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
(1+tanA+secA) (1+cotA-cosecA)=?
Asked by sahanahosamani2005 | 25 Nov, 2020, 10:58: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
question
question image
Asked by arindeep.singh | 10 Sep, 2020, 07:04: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
trigonometry
question image
Asked by choudharylakshay786 | 16 May, 2020, 12:56: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Proove that (CotA+CosecA-1)/(CotA-CosecA+1) = (1+CosA)/SinA
Asked by kssvsv2011 | 09 May, 2020, 08:44: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
maths sums
question image
Asked by gurvinderr043 | 12 Apr, 2020, 08:18: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
prove that cos theta by 1-tan theta+sin theta by 1- cot theta equals to sin theta+ cos theta
Asked by gurunath196107 | 07 Apr, 2020, 04:21: 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
×