Question

if alpha and beta are complementary angles such that qsin alpha=p,then the value of (sin alpha.cos beta+cos alpha.sin beta)=
​

Answer 1

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

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