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Ex 2.2, 20 (MCQ) - Find sin (pi/3 - sin-1 (-1/2)) - Class 12 NCERT
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=\sin(\frac{%CF%80}{2}-x)&line2=\mathrm{Solution:\:}x=\frac{%CF%80}{4}%2B%CF%80n "sin(x)=sin(pi/2-x)")
sin(x)=sin(pi/2-x)
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&line2=\mathrm{Solution:\:}-1 "sin(-pi/2)")
sin(-pi/2)
BioMath: Trigonometric Functions
Evaluate the following: `sin(pi/2-sin^(-1)(-1/2))`" - YouTube
=\sin(\frac{%CF%80}{2}%2B%CE%B8)&line2=\mathrm{Solution:\:}\mathrm{True} "prove cos(θ)=sin(pi/2+θ)")
prove cos(θ)=sin(pi/2+θ)
If theta = pi/2, determine the exact value of sin theta. | Homework.Study.com
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