Toggle navigation
Home
Article Category
Question Papers
General Knowlege
Popular Pages
Multiple Choice Question in
Multiple Choice Question in 049
Multiple Choice Question in -current-affairs-2016
Multiple Choice Question in 2016
Multiple Choice Question in TRADES-INSTRUCTOR---GR-II---SMITHY---TECHNICAL-EDUCATION
Question Answer in ASSISTANT-PROFESSOR---COMPUTER-SCIENCE-AND-ENGINEERING---TECHNICAL-EDUCATION
Multiple Choice Question in ASSISTANT-PROFESSOR---COMPUTER-SCIENCE-AND-ENGINEERING---TECHNICAL-EDUCATION
Multiple Choice Question in english
Multiple Choice Question in abbreviations-abbreviations-m
Multiple Choice Question in 072/2016
Multiple Choice Question in SSC CHSL 7 March 2018 Morning Shift
Question Answer Bank
Multiple Choice Question Bank
Question Answer Category
Multiple Choice Question Category
Home
->
Multiple Choice Questions
1. 1/(secA + tanA) is equal to
(A): cosecA - cotA
(B): sinA - cosA
(C): secA - tanA
(D): sinA + cosA
Previous Question
Show Answer
Next Question
Add Tags
Report Error
Show Marks
Write Comment
Type in
(Press Ctrl+g to toggle between English and the chosen language)
Post reply
Comments
By: anil on 05 May 2019 02.17 am
Expression : 1/(secA + tanA) = $$frac{1}{frac{1}{cosA} + frac{sinA}{cosA}}$$ = $$frac{1}{frac{1+sinA}{cosA}} = frac{cosA}{1+sinA}$$ Multiplying both numerator and denominator by $$(1-sinA)$$ = $$frac{cosA}{1+sinA} imes frac{1-sinA}{1-sinA}$$ = $$frac{cosA(1-sinA)}{1-sin^2A} = frac{cosA(1-sinA)}{cos^2A}$$ = $$frac{1-sinA}{cosA} = frac{1}{cosA} - frac{sinA}{cosA}$$ = $$secA-tanA$$ => Ans - (C)
Tags
SSC CHSL 11 Jan 2017 Afternoon Shift
Show Similar Question And Answers
QA->ALL ARE EQUAL, BUT SOME ARE MORE EQUAL THAN OTHERS WHO SAID THIS....
QA->One fathom is equal to–....
QA->Onefathom is equal to–....
QA->A cube has numerically equal volume and surface area. The volume of such a cube is :....
QA->Which continent is divided into almost two equal parts by the equator?....
MCQ->If secA/(secA - 1) + secA/(secA + 1) = x, then x is....
MCQ->(secA - 1)/(secA + 1) is equal to? ....
MCQ->(secA - tanA)/(cosecA + cotA) is equal to....
MCQ->1/(secA + tanA) is equal to....
MCQ->What is the simplified value of $$\sqrt{\frac{secA-1}{secA+1}}$$ ?....
×
×
Type The Issue
×
Your Marks
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use
Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...
Privacy
|
Terms And Conditions