why sin90=1& cos90=0
Answers were Sorted based on User's Feedback
Answer / sourabh rana
consier a right traingle whose one angle is very small:i.e.0.009887 which mean other 2 angles are equivalently equals to 90.when we find sin90 in this traingle which is equals to P/H.in this triangle P-->H
Is This Answer Correct ? | 0 Yes | 3 No |
Answer / anonymus
Sin(0)=0.So, Cos(90)=0.
We Know Sin^2 (x)+ Cos^2 (x)= 1.
Applying this, at x= 90,we get sin(90)=(+-)1.
But Sin(90)>0.So Sin(90)= 1.
Is This Answer Correct ? | 6 Yes | 12 No |
What is Beta Coefficient?
Define homogenous function of x and y with degree n.
find What is the value of 625% of 7.71=
What is the difference between Integration & Addition?
VOLUNTEER TRAINING FOR DISADVANTAGED IN MATHS – QUESTION 3 : Grenville thinks of 7 consecutive numbers. The sum of the smallest three is 33. What is the sum of the largest three? (A) 36, (B) 39, (C) 42, (D) 45, (E) 48.
The product of 6 factorial is how many times larger than the product of 5 factorial?
A country adopted a policy requiring all couples to continue having children until they had a girl, after which they must stop having children. How many children willthe average family have and what will the sex distribution be?
disscuss 1st order differential equation on the basis of only theroy
If x to the power of 5=4 and x to the power of 4=5/y , then x equals
If total students is 80th and english fail 48th, bengali fail 48th
where can I get a universal self scorer book - maths in discount ?????
Compare the Behaviourist & Constructivist approach.
0 Answers Mahatma Gandhi University,