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secondary 4 | A Maths
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calculate angle PQR
Date Posted: 6 years ago
Views: 359
hey u can use the cosine rule here which is
A^2 = b^2 +c^2 -2×b×c×CosA
in which we have the values of a b and c we need to find cos a put in the values and tell me if u fant solve
A is the value right apposite to the angle ur trying to find
good luck
A^2 = b^2 +c^2 -2×b×c×CosA
in which we have the values of a b and c we need to find cos a put in the values and tell me if u fant solve
A is the value right apposite to the angle ur trying to find
good luck
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