Question

plzzzz give ans? ???????????​

Answer 1

Answer:

if acos@-bsin@ = c

asin@+bcos@ = let k

adding after squaring both eqn. we get,.

a²cos²@+b²sin²@-2absin@cos@ + a²sin²@+b²cos²@+2absin@cos@ = c²+k²

a²(sin²@+cos²@)+b²(sin²@+cos²@) = c²+k²

a²+b² = c²+k²

k = ±√(a²+b²-c²) (B) (ans)

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Answer 2

Answer:

Refer to this attachment♣️✌️