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Given that θ θ is an acute angle and sin θ θ = mn m n , find cos θ
Question 1
Report
Given that
θ
θ
is an acute angle and sin
θ
θ
=
m
n
m
n
, find cos
θ
√
n
2
−
m
2
m
√
(
n
+
m
)
(
n
−
m
)
n
(
n
+
m
)
(
n
−
m
)
n
m
√
n
2
−
m
2
√
n
n
2
−
m
2
Answer Details
Read lesson note on Sine, Cosine And Tangent Of An Angle (WAEC)
Sine, Cosine And Tangent Of An Angle
View Answer