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Find the value of cosec 405°.
Find the value of cosec 405°. => - 2 or 2 or - 1 2 or 1 2..
The value of the expression 3 cosec 20° - sec 20° is equal to ..
The value of the expression 3 cosec 20° - sec 20° is equal to _______ => 4 or 2 or 2 sin 2 0 ° sin 4 0 ° or 4 sin 2 0 ° sin 2 0 °..
Identify the statement which is not true for y = cosec x.
Identify the statement which is not true for y = cosec x . => Range is (- ∞, - 1) ∪ [1, ∞]. or The maximum value is y = - 1 and minimum value is y = 1. or Domain is the set of all real numbers. or Period is 2 π ...
If I = ∫sec2 9x cosec4 9xdx = K cot3 9x + L tan 9x + M cot 9x + C,..
If I = ∫ sec 2 9 x cosec 4 9 xdx = K cot 3 9 x + L tan 9 x + M cot 9 x + C, then find the values of K, L, and M. => K = - 2 9 , L = 1 9 , M = - 1 2 7 or K = - 1 9 , L = 2 9 , M = - 1 2 7 or K = - 1 27 , L = 1 9 , M = - 2 9 or K = - 1 9 , L = 1 2 7 , M = -..
Values of Trigonometric Functions
Values of Trigonometric Functions of 30 o , 45 o , 60 o and 90 o - Let OA be the revolving ray starting from A. Let OA take the new position OP so that Draw PM perpendicular to OX and produce it to Q. Draw O..
Values of Trigonometric Functions of 30 o , 45 o , 60 o and 90 o - Let OA be the revolving ray starting from A. Let OA take the new position OP so that Draw PM perpendicular to OX and produce it to Q. Draw O..Values of Trigonometric Functions of 30o, 45o, 60o and 90o
Here cosec 0 o and cot 0 o are not define..
Here cosec 0 o and cot 0 o are not define..Note:
i) The numerical values of sin q and cos q cannot be greater than 1. ii) The numerical values of sec q and cosec q can never be less than 1. iii) There is no restriction on the values of tan q and cot q since they can take any value..
i) The numerical values of sin q and cos q cannot be greater than 1. ii) The numerical values of sec q and cosec q can never be less than 1. iii) There is no restriction on the values of tan q and cot q since they can take any value..Some properties of inverse trigonometric functions
In the principle value branches, the following formulae holds: - sin -1 (sin x) = x - cos -1 (cos x) = x - tan -1 (tan x) = x - cos -1 (cot x) = x - sec -1 (secx) = x - cosec -1 (cosecx) = x - sin -1 (-x) = -sin -1 x - cos -1 (-x) = p ..
In the principle value branches, the following formulae holds: - sin -1 (sin x) = x - cos -1 (cos x) = x - tan -1 (tan x) = x - cos -1 (cot x) = x - sec -1 (secx) = x - cosec -1 (cosecx) = x - sin -1 (-x) = -sin -1 x - cos -1 (-x) = p ..Trigonometry (Continued)
Summary - 1. In the principle value branches, the following formulae holds: sin -1 (sin x) = x, cos -1 (cos x) = x, tan -1 (tan x) = x, cos -1 (cot x) = x, sec -1 (secx) = x, cosec -1 (cosecx) = x 2. If a is some constant angle, then - sin q = sin a q = n p + (-1) n a , n Z - co..
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