Ask a Doubt
Request a call back

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

CBSE Class 11-science Answered

Prove that: tan A + se A - 1/ tan A - sec A + 1= 1 + sin A/ cos A
Asked by hariom2083 | 05 Jul, 2018, 00:18: AM
answered-by-expert Expert Answer
begin mathsize 16px style To space prove colon fraction numerator tanA space plus space secA space minus 1 over denominator tanA space minus space secA space plus space 1 end fraction equals space fraction numerator 1 space plus space sinA over denominator cosA end fraction straight L. straight H. straight S space equals fraction numerator tanA space plus space secA space minus 1 over denominator tanA space minus space secA space plus space 1 end fraction space space space space space space space space space space space equals fraction numerator tanA space plus space secA space minus space left parenthesis sec squared straight A space minus space tan squared straight A right parenthesis over denominator tanA space minus space secA space plus space 1 end fraction space space space space space space space space space space equals fraction numerator tanA space plus space secA space minus open square brackets open parentheses secA space minus space tanA close parentheses open parentheses secA space plus space tanA close parentheses close square brackets space over denominator tanA space minus space secA space plus space 1 end fraction space space space space space space space space space space equals fraction numerator open parentheses secA space plus space tanA close parentheses open parentheses 1 space minus space secA space plus space tanA close parentheses over denominator tanA space minus space secA space plus space 1 end fraction space space space space space space space space space space equals space 1 over cosA plus space sinA over cosA space space space space space space space space space space equals space fraction numerator 1 space plus space sinA over denominator cosA end fraction space space space space space space space space space space equals space straight R. straight H. straight S end style
Answered by Yasmeen Khan | 05 Jul, 2018, 10:53: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 11-science - Maths
if log 1/2 x greater than log 1/2 y then x greater than y
Asked by megaladevi07 | 24 Jul, 2024, 11:01: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
1+sinx+cosx/1+sinx-cosx=cotx/2
Asked by mihirkumarjha356 | 18 Jul, 2024, 21:51: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
find the circumcentre of (1,3) (0,-2) (-3,1)
Asked by vijaya198724 | 08 Jul, 2024, 22:33: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
if a = [[2, 3], [1, 4]] and b = [[5, 0], [3, 2]] then find a + b ?
Asked by shshnkmanjula | 08 Jul, 2024, 17:25: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
|x-3|+2|x+1|=4
Asked by harshdasisode | 04 Jul, 2024, 00:07: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
ax^2+bx+c=0 then x=
Asked by manjushakothavade1979 | 25 Jun, 2024, 10:29: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
prove using identities cos4xsin3x-cos2xsinx/sin4xsinx+cos6xcosx =tanx
Asked by ishanvi.pahil | 22 Jun, 2024, 22:31: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
answer
question image
Asked by jagathaiah.kamsali | 13 Jun, 2024, 20:20: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
find distance between two points A(5,-4) B(7,6)
Asked by nandhandheeraj7474 | 11 Jun, 2024, 17:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
3. Calculate the mean and standard deviation using short cut method for the following distribution Marks Frequency 20-30 3 30-40 6 40-50 13 50-60 15 60-70 14 70-80 5 80-90 4
Asked by nvprithica | 07 Jun, 2024, 11:53: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Are You a Teacher or a Parent Seeking Customised Tests? Click here
×