1. Find the value of sin 120o- cos 30o Solution: The value of sin o 32 Hence, Sin 120 o - Cos 30 o 2. Evaluate the value of 3 sin 30o+ tan 45o Solution: The value of sine 120 o 12 Value of tan 45 = 1 By substituting the values, we get 3. Find Sin 120°, Cos 120...
Find sinx if tanx=3/4 Trigonometric Ratios: The trigonometric ratios give a relationship between the sides of a right-angled triangle and the complementary angles. The most basic trigonometric ratios are sine(sin),cosine(cos)andtangent(tan). Answer and Explanation: The three trigonomet...
A right triangle has side lengths 9, 40, and 41 as shown below. Use these lengths to findtanM,cosM,andsinM. Trigonometric Ratios: Trigonometric ratios are those that link the sides of a right triangle depending on their angles. A ...
Prove that :cos−1.45+tan−1.35=tan−1.2711 (ii) Prove that :sin−1.35+tan−1.35=tan−1.2711 View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium NCERT Solutions for Class 11 English Medium ...
=Cos 60°{Sin(90+θ)=Cosθ} =1/2 2. Find the value of Tan(45°)+(Cos 0°)+Sin(90°)+Cos(60°) Solution: As we know, Tan (45°) = 1 Sin (90°) =1 Cos (0°) =1 Cos (60°) = 12Cos (60°) = 12 Now substituting the values:- ...
Prove that : (1 + cot A + tan A) (sin A — cos A) = sin A tan A — cot ... 03:23 Without using trigonometric tables, evaluate the following:- 2(cos58^@... 04:06 If the coordinates of the mid-points of the sides of a triangle are (3... 09:15 If the coordinates of...
If {eq}\theta = \sec^{-1} \left (-\dfrac {\sqrt {13}} 2\right ) {/eq}, find the exact values of {eq}\sin \theta,\ \cos \theta, {/eq} and {eq}\tan \theta {/eq}. Trigonometric Identities: In mathematics, a trigonometric identity is an equation that...
Kin C, Kidess E, Poultsides GA, Visser BC, Jeffrey SS (2013) Colorectal cancer diagnostics: biomarkers, cell-free DNA, circulating tumor cells and defining heterogeneous populations by single-cell analysis. Expert review of molecular diagnostics 13: 581-599....
sin-1(2x √1 - x²) = 2 cos-1x, when 1/√2 ≤ x ≤ 1Derivative of Inverse Sine Let us find the derivative of y = sin-1x. By the definition of inverse sine, y = sin-1x can be written as sin y = x. Differentiating this on both sides with respect to x using the chai...
Check by differentiation that y = 4\cos t + 6\sin t is a solution to y'' + y = 0 by finding the terms in the sum: y'' = \ y = So y'' + y = Let z = arctan (x^2 + y^2), x = e^(u) sin v, y = e^(u) cos v. Find...