Ask a Doubt
Request a call back

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

CBSE Class 10 Answered

tan15° + tan30° + tan15° ×tan30°=1
Asked by deepakverma786024 | 18 Dec, 2022, 05:43: AM
Expert Answer
tan open parentheses straight A plus straight B close parentheses equals fraction numerator tanA plus tanB over denominator 1 minus tanA cross times tanB end fraction rightwards double arrow tan open parentheses 15 plus 30 close parentheses equals fraction numerator tan 15 plus tan 30 over denominator 1 minus tan 15 cross times tan 30 end fraction rightwards double arrow tan 45 equals fraction numerator tan 15 plus tan 30 over denominator 1 minus tan 15 cross times tan 30 end fraction rightwards double arrow 1 equals fraction numerator tan 15 plus tan 30 over denominator 1 minus tan 15 cross times tan 30 end fraction rightwards double arrow tan 15 plus tan 30 equals 1 minus tan 15 cross times tan 30 rightwards double arrow tan 15 plus tan 30 plus tan 15 cross times tan 30 equals 1
Answered by Arun | 18 Dec, 2022, 09:21: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test Subjective Questions Webinar Subjective Questions Pre Board Assessment
Answered Unanswered My Questions My Answers
CBSE 10 - Maths
tan15° + tan30° + tan15° ×tan30°=1
Asked by deepakverma786024 | 18 Dec, 2022, 05:43: AM
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
CBSE 10 - Maths
(1+tanA+secA) (1+cotA-cosecA)=?
Asked by sahanahosamani2005 | 25 Nov, 2020, 10:58: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
question
Asked by arindeep.singh | 10 Sep, 2020, 07:04: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
trigonometry
Asked by choudharylakshay786 | 16 May, 2020, 12:56: PM
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
CBSE 10 - Maths
maths sums
Asked by gurvinderr043 | 12 Apr, 2020, 08:18: AM
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
CBSE 10 - Maths
Cosec(theta) - cot(theta) = alpha then cosec(theta)+ cot( alpha)=?  
Asked by raunakkarn555 | 06 Apr, 2020, 08:58: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
(1+secA)/secA = sin²A/(1-cosA)  
Asked by nijurajeev7276 | 07 Jan, 2020, 10:27: AM
ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt