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)) is ( (√3)2).( ...
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 exact value of following trigonometric function: tan ({-5 pi}/2). Find the exact value of following trigonometric function: sin (- 7 pi/ 3). Find the exact value of the trigonometric function. cos (\frac{5\pi}{4})
Find the exact value of sin theta and tan theta when cos theta has the indicated value. cos theta = 1 Find the exact value of sin theta and tan theta when cos theta has the indicated value. cos theta = 1 / 2 Find the exact value of sin theta and tan theta...
Answer to: Find the exact value of cos 21 cos 39 - sin 21 sin 39 By signing up, you'll get thousands of step-by-step solutions to your homework...
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 ...
Theexact value of sin 21 degreescan be given accurately up to 8 decimal places as 0.35836794. What is the Value of Sin 21 Degrees in Terms of Cos 21°? Usingtrigonometric identities, we can write sin 21° in terms of cos 21° as, sin(21°) = √(1-cos²(21°)). Here, the va...
Find the value of : (i)sin30∘+cos60∘(ii)sin0∘−cos0∘(iii)tan45∘−tan37∘(iv)sin390∘ (v)cos405∘(vi)tan420∘(vii)sin150∘(viii)cos120∘ (ix)tan135∘(x)sin(330∘)(xi)cos300∘(xii)sin(−30∘) ...
The exact value of sin 250 degrees can be given accurately up to 8 decimal places as -0.93969262. How to Find Sin 250° in Terms of Other Trigonometric Functions? Using trigonometry formula, the value of sin 250° can be given in terms of other trigonometric functions as: ±√(1-cos²...
NCERT solutions for CBSE and other state boards is a key requirement for students. Doubtnut helps with homework, doubts and solutions to all the questions. It has helped students get under AIR 100 in NEET & IIT JEE. Get PDF and video solutions of IIT-JEE Mains & Advanced previous year pap...