BirbalRai BirbalRai
  • 15-08-2019
  • Mathematics
contestada

((sinA.cosB+cosA.sinB)^2)+(cosA.cosB-sinA.sinB)^2=1answer please ​

Respuesta :

kosala1478
kosala1478 kosala1478
  • 15-08-2019

Step-by-step explanation:

((sinA.cosB+cosA.sinB)^2)+(cosA.cosB-sinA.sinB)^2=1

LHS

=(sin 2A)^2 + (cos 2A)^2

=sin^2 2A + cos ^2 2A

=1

=RHS

(because sin^2#+cos^2#=1)

Answer Link

Otras preguntas

A bus ride for a senior citizen cost $1.25. A monthly pass costs $35. Write and inequality that represents the number of times a senior citizen must ride the bu
How you think your hometown would look without electricity? Explain in one paragraph
how can i but "AS WILLIAM walking with his wife was seen"as a short sentnse
how to solve 4 NH3(g) + 5 O2(g) ---> 4 NO(g) + 6 H2O(g) in chemistry
Which land forms are mountain ranges in Texas? Chianti Piney Woods Tule Davis Chisos Palo Dule Glass Cyprus
Robert wants to know which fertilizer will work the best for his grass. What can he do to explore this inquiry?
the angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles
What are three reforms advocated to fixing the social security dilemma?
the equation x2 – 1x – 90 = 0 has solutions {a, b}. What is a + b?
sonnet 57 being your slave... comprehension your servant is the a. speaker b. person addressed in the poem c. husband of the speakers beloved d. beloveds servin