EXPRESS SIN 75 +COS 65 IN TERMS OF TRIGONOMETRIC RATIOS OF AMGKES BETWEEN 0 AND 45
Answers
Answered by
15
Given,
Sin 75 + Cos 65
= Sin (90-15) + Cos (90-25)
=cos 15°+ Sin 25
Answered by
68
Explanation:
sin75°+cos65°=cos15°+sin25°
Step-by-step explanation:
sin75°+cos65°
=sin(90-15)+cos(90-25)
= cos15°+sin25°
Therefore,
sin75°+cos65°=cos15°+sin25°
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