Given 5 cosA -12 sin A =0 find the value of sin A +cos A ÷2cos A-sin A
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Step-by-step explanation:
cotA=
16
12
=
4
3
⇒tanA=
3
4
sinA−cosA
sinA+cosA
=
cosA(−1+tanA)
cosA(1+tanA)
=−
(1−tanA)
(1+tanA)
=
(1−
3
4
)
−(1+
3
4
)
=−(
−1
7
)=7
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