express tan thetha into cos thetha
Answers
Answered by
1
Answer:
tan theta = √1- cos²theta/cos²theta(square root for whole) = √1-cos²theta/cos theta(square root for only numerator)
Answered by
0
Step-by-step explanation:
tan
θ
=
±
√
1
−
cos
2
θ
cos
θ
Explanation:
using the
trigonometric identities
∙
x
tan
θ
=
sin
θ
cos
θ
∙
x
sin
2
θ
+
cos
2
θ
=
1
⇒
sin
θ
=
±
√
1
−
cos
2
θ
tan
θ
=
sin
θ
cos
θ
=
±
√
1
−
cos
2
θ
cos
θ
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