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Find the value of the following: ① sin²π/4 - cos²π/4 ② sec²π/6 + csc²π/3 ③ cos²π/4 + sec²π/3 + tan²π/6 ④ sec²π/6 - sec²π/4 ⑤ tan²π/3 - cosec²π/6 + sec²π/6
Mathematics
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4 stepsयह रहा पहला प्रश्न:
दिए गए त्रिकोणमितीय मानों को पहचानें।
हमें का मान ज्ञात करना है।
यहाँ कोण हैं: , , और .मानक त्रिकोणमितीय मानों को याद करें।
इन मानों को दिए गए व्यंजक में प्रतिस्थापित करें।
व्यंजक को सरल करें।
सामान्य हर (LCM) 6 है।
अतः, व्यंजक का मान है:
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