Maths / Introduction to Trigonometry / Trigonometric ratios for 30 degrees

QUESTION
 

sin 2A = 2 sin A is true when A =

OPTIONS
A. 

0^o

B. 

30^o

C. 

45^o

D. 

60^o

Right Option : A

EXPLANATION
Explain TypeExplanation Content
Text

Option (a) is correct.

Here, when A=0^o

LHS=sin: 2A=sin: 0^o=0

and  RHS=2: sin: A=2: sin: 0^o=2 times 0=0

In the other options, we will find that

LHS = RHS

View Contents
(Concept based Learning and Testing for [6th - 10th], NTSE, Bank & Govt. Exams)
Self Learning
Testimonials
No Preview
PARENT FEEDBACK c/o Om Umang C/o ABHYAS Academy
 10th
Abhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
Back
Courses We Offer
(Concept based Learning and Testing for [6th - 10th], NTSE, Bank & Govt. Exams)