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May 30, 2015 · On the trig unit circle: sin 120 = sin (180 - 60) = sin 60 = sqrt3/2. ... What is the value of #sin -45^@#?
show that sin 780 degree sin120 degree + cos240 degree sin390 degree = 1/2
Click here:point_up_2:to get an answer to your question :writing_hand:what is the value of sin 1920o
Sign of Trigonometric Ratios in Different Quadrants. Question. The value of sin 120 ∘. √ 3 / 2; − √ 3 2; 1 2; − 1 2
Jul 15, 2016 · Use trig identity: sin 2a = 2sin a.cos a sin 120 = 2sin 60.cos 60 Trig table --> sin 60 = 1/2 and cos 60 = sqrt3/2.
Find the value of sin 120 o. View Solution. Q2. Find the values of the following: sin 120 o. View Solution ...
Oct 24, 2014 · Help. Since sin2theta=2sin theta cos theta, we have sin120^circ=2sin60^circcos60^circ=2cdot sqrt {3}/2 cdot 1/2=sqrt {3}/2. I hope that this was helpful.
Click here👆to get an answer to your question ️ consider the following two statementsstatement pthe value of sin 120circ
Click here:point_up_2:to get an answer to your question :writing_hand:find the value of sin 120o cos 150o cos 240o sin 330o
The maximum value of sin 2 (120° + θ) + sin 2 (120° − θ) is (a) 1/2 (b) 3/2 (c) 1/4 (d) 3/4. View Solution. Q4