if alpha and beta are complementary angles such that qsin alpha=p,then the value of (sin alpha.cos beta+cos alpha.sin beta)=
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Answer:
hi here is ur answer.
Step-by-step explanation:
α,β are complimentary angles.
α+β=90
sinα=
q
p
=cosβ
cosα=
q
q
2
−p
2
=sinβ
(sinαcosβ−cosαsinβ)=(
q
2
p
2
−
q
2
q
2
−p
2
)
=2(
q
2
p
2
)−1
please follow me.
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