If cos ⍬ = 1 2 , sin ϕ = 1 2 , find ⍬ + ϕ
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Answer:
90
Step-by-step explanation:
hello mate
it could be 1/ 2 in both cases as values of sin and cos lies between -1 and 1.
cos (theta) = 1/2 is given the value of cos is 1/2 when the angle is 60 so theta will be 60
given sin (phi) = 1/2
value of sin is 1/2 when angle is 30 since sin 30 = 1/2
so phi is 30
so totally he has asked to find theta + phi
which is equal to 60 + 30
that is 90
hope it helps you
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