( (sin)(2⋅ 150))Multiply( 2) by ( 150).( (sin)(300))Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because sine is negative in the fourth quadrant.( -(sin)(60))The exact value of ( (sin)(60)...
Question: 1. a) Find the exact value: sin(150)= cos(150)= b) sin(135)= cos(135)= c.) sin(1290)= cos(1290)= 1. a) Find the exact value: sin(150)= cos(150)= b) sin(135)= cos(135)= c.) sin(1290)= cos(1290)=...
Find the value of (a)cos120∘ (b)sin240∘ (c)tan(−60∘) (d)cot300∘ (e)tan330∘ (f)cos(−60)∘ (g)sin(−150)∘ (h)cos(−120)∘ View Solution Find the value of sin15o. View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solut...
Examples Using Sin 21 Degrees Example 1: Simplify: 2 (sin 21°/sin 381°) Solution: We know sin 21° = sin 381° ⇒ 2 sin 21°/sin 381° = 2(sin 21°/sin 21°) = 2(1) = 2 Example 2: Find the value of 2 × (sin 10.5° cos 10.5°). [Hint: Use sin 21° = 0.3584...
The sin of 95 degrees equals the y-coordinate(0.9962) of the point of intersection (-0.0872, 0.9962) of unit circle and r. Hence the value of sin 95° = y = 0.9962 (approx) ☛ Also Check: sin 75 degrees sin 18 degrees sin 150 degrees ...
Find the values of: (i) tan(−30∘) (ii) sin120∘ (iii) sin135∘ (iv) cos150∘ (v) sin270∘ (vi) cos270∘ View Solution Find the value of sin230∘+cos260∘+tan45∘ . View Solution Find the value of (i) cos(−30∘) (ii) sin120∘ (iii) sin135...
Find the value of t. (40)(0.5)(t−450)+(150)(2.5)(t−25)=0 Distributive Property of Multiplication: The distributive property of multiplication is applicable when a term is to be multiplied with a mathematical sentence in the form of a polynomial or real numbers. The di...
Answer to: Find the exact value of the sin pi/6. By signing up, you'll get thousands of step-by-step solutions to your homework questions. You can...
Now that you know the value of cosine 120°, let us provide you with the complete trigonometrical table:Angles 0° 30° or π/6 45° or π/4 60° or π/3 90° or π/2 120° or 2π/3 180° or π 270° or 3π/2 360° or 2π Sin 0 1/2 1/√2 √3/2 1 √3/2 0...
Find the exact value of the expression. (Hint: Sketch a right triangle.) {eq}\displaystyle \sin \left (\arctan \dfrac 3 4\right ) {/eq} Trig Functions: Recall that an arc-trig function is really its inverse. There are two different ways that we often see an ...