Given that sin θ = ab then cos θ is equal to
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Answer:
We know, sin
2
θ+cos
2
θ=1
(
b
a
)
2
+cos
2
θ=1
cos
2
θ=1−(
b
a
)
2
cosθ=
b
b
2
−a
2
Step-by-step explanation:
We know, sin
2
θ+cos
2
θ=1
(
b
a
)
2
+cos
2
θ=1
cos
2
θ=1−(
b
a
)
2
cosθ=
b
b
2
−a
2
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