if tan tehta =¾, find the value of sec tehta and cos tehta
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Answered by
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Answer:
sec tetha=5/3,cos tetha=3/5
Step-by-step explanation:
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Answered by
0
Answer:
tanθ=
4
3
⇒
cosθ
sinθ
=
4
3
⇒4⋅sinθ=3⋅cosθ
⇒4
2
.(1−cos
2
θ)=3
2
cos
2
θ
⇒16−16cos
2
θ=9cos
2
θ
⇒25cos
2
θ=16
⇒cos
2
θ=16/25
⇒cosθ=
16/25
⇒cosθ=4/5
secθ=1/cosθ
=
4/5
1
=
4
5
∴secθ=
4
5.
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