Question

cos70°/sin20°+cos59°sin31°=8sinsquair30°​

Answer 1

Answer:

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LHS= RHS

Answer 2

Step-by-step explanation:

first solve RHS 8sin^2 30degree

8*1/4=2

therefore take LHS cos70/sin20+cos59/sin31

(convert cos into sin and sin into cos)

cos70/cos70+sin31/sin31

cancel cos70 and sin31

: 1+1=2

therefore LHS = RHS