prove that 2 X + 5 = 245
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Answer:
sin² 30⁰
+
cos² 60⁰
+
tan² 45⁰
+
sec² 60⁰
−
cosec² 30⁰=
1/4 + 1/4 + 1+ (2)²
=2/4 + 1 × 4-4
=1 + 1/2
= 3/2
Step-by-step explanation:
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