grade 10 maths
evaluate :5+(1+tan²Q) sinQ cos Q\tanQ
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Answer:
Step-by-step explanation:
In △ABC△ABC
tanA=
8
7
,
(1+cosθ)(1−cosθ)
(1+sinθ)(1−sinθ)
=
1−cos
2
θ
1−sin
2
θ
=
sin
2
θ
cos
2
θ
=cot
2
θ=
tan
2
θ
1
=
7
2
8
2
=
49
64
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