1800-150-456-789
FlagBACK
Flag Trigonometry> Can you please answer this: What is sin2(...
question mark

Can you please answer this:What is sin2(43°) + cos2(43°) =

prabhat , 6 Years ago
Grade 12th pass
anser 2 Answers
Deepak Kumar Shringi

Last Activity: 6 Years ago

562-2298_Capture.PNG

Soumendu Majumdar

Last Activity: 6 Years ago

Dear Student,
For this question, all you need to know is a simple trigonometric identity which is
sin^2A + cos^2A =1
This is applicable for any real value of A, here A = 43^{\circ} which is a real value so the identity holds true;
Hence
sin^243 +cos^243=1
 
Hope it helps!

Provide a better Answer & Earn Cool Goodies

Enter text here...
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments


Ask a Doubt

Get your questions answered by the expert for free

Enter text here...

Other Related Questions on trigonometry

question mark
In ABC, if cot A+cot B+cot C = cosecA cosecB cosecC, then prove that ABC is right angle triangle.
trigonometry
1 Answer Available

Last Activity: 2 Years ago

question mark
Find the general solution of equation tan3∂=cot2∂For all angles between -720 and +720
trigonometry
0 Answer Available

Last Activity: 2 Years ago

question mark
To prove : Cosec(45 degree - A)Cosec(45 degree + A) = 2SecA
trigonometry
0 Answer Available

Last Activity: 2 Years ago

question mark
cos^2 13ºcos^2 47º+cos^2 73º =? …..................
trigonometry
0 Answer Available

Last Activity: 2 Years ago

question mark
Derive a formula for the area of the triangle, given b, A, B, and C. That is, derive the formula: (b^2sinAsinC)/(2sinB)
trigonometry
0 Answer Available

Last Activity: 2 Years ago